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authorJohn W. Linville <linville@tuxdriver.com>2009-10-28 16:06:56 -0400
committerJohn W. Linville <linville@tuxdriver.com>2009-10-30 16:50:34 -0400
commit0234f84ebb00d36c48062befa5436eef36b71ccd (patch)
treea0bd2a87406bb15067414118d4eb12cee80036e9 /drivers/net
parente38879efd336fb78b288dcebdc9ca030fd24f449 (diff)
wavelan: move driver to staging
Move the wavelan driver to drivers/staging. This is another pre-802.11 driver that has seen virtually no non-API-fixup activity in years, and for which no active hardware is likely to still exist. This driver represents unnecessary ongoing maintenance for no clear benefit. This patch brought to you by the "hacking" session at the 2009 Kernel Summit in Tokyo, Japan... Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/Kconfig39
-rw-r--r--drivers/net/wireless/Makefile2
-rw-r--r--drivers/net/wireless/i82586.h413
-rw-r--r--drivers/net/wireless/i82593.h229
-rw-r--r--drivers/net/wireless/wavelan.c4383
-rw-r--r--drivers/net/wireless/wavelan.h370
-rw-r--r--drivers/net/wireless/wavelan.p.h696
-rw-r--r--drivers/net/wireless/wavelan_cs.c4635
-rw-r--r--drivers/net/wireless/wavelan_cs.h386
-rw-r--r--drivers/net/wireless/wavelan_cs.p.h766
10 files changed, 0 insertions, 11919 deletions
diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig
index d50b3bee9a9b..f94188f05a02 100644
--- a/drivers/net/wireless/Kconfig
+++ b/drivers/net/wireless/Kconfig
@@ -25,45 +25,6 @@ menuconfig WLAN_PRE80211
25 This option does not affect the kernel build, it only 25 This option does not affect the kernel build, it only
26 lets you choose drivers. 26 lets you choose drivers.
27 27
28config WAVELAN
29 tristate "AT&T/Lucent old WaveLAN & DEC RoamAbout DS ISA support"
30 depends on ISA && WLAN_PRE80211
31 select WIRELESS_EXT
32 select WEXT_SPY
33 select WEXT_PRIV
34 ---help---
35 The Lucent WaveLAN (formerly NCR and AT&T; or DEC RoamAbout DS) is
36 a Radio LAN (wireless Ethernet-like Local Area Network) using the
37 radio frequencies 900 MHz and 2.4 GHz.
38
39 If you want to use an ISA WaveLAN card under Linux, say Y and read
40 the Ethernet-HOWTO, available from
41 <http://www.tldp.org/docs.html#howto>. Some more specific
42 information is contained in
43 <file:Documentation/networking/wavelan.txt> and in the source code
44 <file:drivers/net/wireless/wavelan.p.h>.
45
46 You will also need the wireless tools package available from
47 <http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Tools.html>.
48 Please read the man pages contained therein.
49
50 To compile this driver as a module, choose M here: the module will be
51 called wavelan.
52
53config PCMCIA_WAVELAN
54 tristate "AT&T/Lucent old WaveLAN Pcmcia wireless support"
55 depends on PCMCIA && WLAN_PRE80211
56 select WIRELESS_EXT
57 select WEXT_SPY
58 select WEXT_PRIV
59 help
60 Say Y here if you intend to attach an AT&T/Lucent Wavelan PCMCIA
61 (PC-card) wireless Ethernet networking card to your computer. This
62 driver is for the non-IEEE-802.11 Wavelan cards.
63
64 To compile this driver as a module, choose M here: the module will be
65 called wavelan_cs. If unsure, say N.
66
67config PCMCIA_NETWAVE 28config PCMCIA_NETWAVE
68 tristate "Xircom Netwave AirSurfer Pcmcia wireless support" 29 tristate "Xircom Netwave AirSurfer Pcmcia wireless support"
69 depends on PCMCIA && WLAN_PRE80211 30 depends on PCMCIA && WLAN_PRE80211
diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile
index b56c70f4ca75..f4a7c8ae27ea 100644
--- a/drivers/net/wireless/Makefile
+++ b/drivers/net/wireless/Makefile
@@ -6,9 +6,7 @@ obj-$(CONFIG_IPW2100) += ipw2x00/
6obj-$(CONFIG_IPW2200) += ipw2x00/ 6obj-$(CONFIG_IPW2200) += ipw2x00/
7 7
8# Obsolete cards 8# Obsolete cards
9obj-$(CONFIG_WAVELAN) += wavelan.o
10obj-$(CONFIG_PCMCIA_NETWAVE) += netwave_cs.o 9obj-$(CONFIG_PCMCIA_NETWAVE) += netwave_cs.o
11obj-$(CONFIG_PCMCIA_WAVELAN) += wavelan_cs.o
12 10
13obj-$(CONFIG_HERMES) += orinoco/ 11obj-$(CONFIG_HERMES) += orinoco/
14 12
diff --git a/drivers/net/wireless/i82586.h b/drivers/net/wireless/i82586.h
deleted file mode 100644
index 5f65b250646f..000000000000
--- a/drivers/net/wireless/i82586.h
+++ /dev/null
@@ -1,413 +0,0 @@
1/*
2 * Intel 82586 IEEE 802.3 Ethernet LAN Coprocessor.
3 *
4 * See:
5 * Intel Microcommunications 1991
6 * p1-1 to p1-37
7 * Intel order No. 231658
8 * ISBN 1-55512-119-5
9 *
10 * Unfortunately, the above chapter mentions neither
11 * the System Configuration Pointer (SCP) nor the
12 * Intermediate System Configuration Pointer (ISCP),
13 * so we probably need to look elsewhere for the
14 * whole story -- some recommend the "Intel LAN
15 * Components manual" but I have neither a copy
16 * nor a full reference. But "elsewhere" may be
17 * in the same publication...
18 * The description of a later device, the
19 * "82596CA High-Performance 32-Bit Local Area Network
20 * Coprocessor", (ibid. p1-38 to p1-109) does mention
21 * the SCP and ISCP and also has an i82586 compatibility
22 * mode. Even more useful is "AP-235 An 82586 Data Link
23 * Driver" (ibid. p1-337 to p1-417).
24 */
25
26#define I82586_MEMZ (64 * 1024)
27
28#define I82586_SCP_ADDR (I82586_MEMZ - sizeof(scp_t))
29
30#define ADDR_LEN 6
31#define I82586NULL 0xFFFF
32
33#define toff(t,p,f) (unsigned short)((void *)(&((t *)((void *)0 + (p)))->f) - (void *)0)
34
35/*
36 * System Configuration Pointer (SCP).
37 */
38typedef struct scp_t scp_t;
39struct scp_t
40{
41 unsigned short scp_sysbus; /* 82586 bus width: */
42#define SCP_SY_16BBUS (0x0 << 0) /* 16 bits */
43#define SCP_SY_8BBUS (0x1 << 0) /* 8 bits. */
44 unsigned short scp_junk[2]; /* Unused */
45 unsigned short scp_iscpl; /* lower 16 bits of ISCP_ADDR */
46 unsigned short scp_iscph; /* upper 16 bits of ISCP_ADDR */
47};
48
49/*
50 * Intermediate System Configuration Pointer (ISCP).
51 */
52typedef struct iscp_t iscp_t;
53struct iscp_t
54{
55 unsigned short iscp_busy; /* set by CPU before first CA, */
56 /* cleared by 82586 after read. */
57 unsigned short iscp_offset; /* offset of SCB */
58 unsigned short iscp_basel; /* base of SCB */
59 unsigned short iscp_baseh; /* " */
60};
61
62/*
63 * System Control Block (SCB).
64 * The 82586 writes its status to scb_status and then
65 * raises an interrupt to alert the CPU.
66 * The CPU writes a command to scb_command and
67 * then issues a Channel Attention (CA) to alert the 82586.
68 */
69typedef struct scb_t scb_t;
70struct scb_t
71{
72 unsigned short scb_status; /* Status of 82586 */
73#define SCB_ST_INT (0xF << 12) /* Some of: */
74#define SCB_ST_CX (0x1 << 15) /* Cmd completed */
75#define SCB_ST_FR (0x1 << 14) /* Frame received */
76#define SCB_ST_CNA (0x1 << 13) /* Cmd unit not active */
77#define SCB_ST_RNR (0x1 << 12) /* Rcv unit not ready */
78#define SCB_ST_JUNK0 (0x1 << 11) /* 0 */
79#define SCB_ST_CUS (0x7 << 8) /* Cmd unit status */
80#define SCB_ST_CUS_IDLE (0 << 8) /* Idle */
81#define SCB_ST_CUS_SUSP (1 << 8) /* Suspended */
82#define SCB_ST_CUS_ACTV (2 << 8) /* Active */
83#define SCB_ST_JUNK1 (0x1 << 7) /* 0 */
84#define SCB_ST_RUS (0x7 << 4) /* Rcv unit status */
85#define SCB_ST_RUS_IDLE (0 << 4) /* Idle */
86#define SCB_ST_RUS_SUSP (1 << 4) /* Suspended */
87#define SCB_ST_RUS_NRES (2 << 4) /* No resources */
88#define SCB_ST_RUS_RDY (4 << 4) /* Ready */
89 unsigned short scb_command; /* Next command */
90#define SCB_CMD_ACK_CX (0x1 << 15) /* Ack cmd completion */
91#define SCB_CMD_ACK_FR (0x1 << 14) /* Ack frame received */
92#define SCB_CMD_ACK_CNA (0x1 << 13) /* Ack CU not active */
93#define SCB_CMD_ACK_RNR (0x1 << 12) /* Ack RU not ready */
94#define SCB_CMD_JUNKX (0x1 << 11) /* Unused */
95#define SCB_CMD_CUC (0x7 << 8) /* Command Unit command */
96#define SCB_CMD_CUC_NOP (0 << 8) /* Nop */
97#define SCB_CMD_CUC_GO (1 << 8) /* Start cbl_offset */
98#define SCB_CMD_CUC_RES (2 << 8) /* Resume execution */
99#define SCB_CMD_CUC_SUS (3 << 8) /* Suspend " */
100#define SCB_CMD_CUC_ABT (4 << 8) /* Abort " */
101#define SCB_CMD_RESET (0x1 << 7) /* Reset chip (hardware) */
102#define SCB_CMD_RUC (0x7 << 4) /* Receive Unit command */
103#define SCB_CMD_RUC_NOP (0 << 4) /* Nop */
104#define SCB_CMD_RUC_GO (1 << 4) /* Start rfa_offset */
105#define SCB_CMD_RUC_RES (2 << 4) /* Resume reception */
106#define SCB_CMD_RUC_SUS (3 << 4) /* Suspend " */
107#define SCB_CMD_RUC_ABT (4 << 4) /* Abort " */
108 unsigned short scb_cbl_offset; /* Offset of first command unit */
109 /* Action Command */
110 unsigned short scb_rfa_offset; /* Offset of first Receive */
111 /* Frame Descriptor in the */
112 /* Receive Frame Area */
113 unsigned short scb_crcerrs; /* Properly aligned frames */
114 /* received with a CRC error */
115 unsigned short scb_alnerrs; /* Misaligned frames received */
116 /* with a CRC error */
117 unsigned short scb_rscerrs; /* Frames lost due to no space */
118 unsigned short scb_ovrnerrs; /* Frames lost due to slow bus */
119};
120
121#define scboff(p,f) toff(scb_t, p, f)
122
123/*
124 * The eight Action Commands.
125 */
126typedef enum acmd_e acmd_e;
127enum acmd_e
128{
129 acmd_nop = 0, /* Do nothing */
130 acmd_ia_setup = 1, /* Load an (ethernet) address into the */
131 /* 82586 */
132 acmd_configure = 2, /* Update the 82586 operating parameters */
133 acmd_mc_setup = 3, /* Load a list of (ethernet) multicast */
134 /* addresses into the 82586 */
135 acmd_transmit = 4, /* Transmit a frame */
136 acmd_tdr = 5, /* Perform a Time Domain Reflectometer */
137 /* test on the serial link */
138 acmd_dump = 6, /* Copy 82586 registers to memory */
139 acmd_diagnose = 7, /* Run an internal self test */
140};
141
142/*
143 * Generic Action Command header.
144 */
145typedef struct ach_t ach_t;
146struct ach_t
147{
148 unsigned short ac_status; /* Command status: */
149#define AC_SFLD_C (0x1 << 15) /* Command completed */
150#define AC_SFLD_B (0x1 << 14) /* Busy executing */
151#define AC_SFLD_OK (0x1 << 13) /* Completed error free */
152#define AC_SFLD_A (0x1 << 12) /* Command aborted */
153#define AC_SFLD_FAIL (0x1 << 11) /* Selftest failed */
154#define AC_SFLD_S10 (0x1 << 10) /* No carrier sense */
155 /* during transmission */
156#define AC_SFLD_S9 (0x1 << 9) /* Tx unsuccessful: */
157 /* (stopped) lost CTS */
158#define AC_SFLD_S8 (0x1 << 8) /* Tx unsuccessful: */
159 /* (stopped) slow DMA */
160#define AC_SFLD_S7 (0x1 << 7) /* Tx deferred: */
161 /* other link traffic */
162#define AC_SFLD_S6 (0x1 << 6) /* Heart Beat: collision */
163 /* detect after last tx */
164#define AC_SFLD_S5 (0x1 << 5) /* Tx stopped: */
165 /* excessive collisions */
166#define AC_SFLD_MAXCOL (0xF << 0) /* Collision count */
167 unsigned short ac_command; /* Command specifier: */
168#define AC_CFLD_EL (0x1 << 15) /* End of command list */
169#define AC_CFLD_S (0x1 << 14) /* Suspend on completion */
170#define AC_CFLD_I (0x1 << 13) /* Interrupt on completion */
171#define AC_CFLD_CMD (0x7 << 0) /* acmd_e */
172 unsigned short ac_link; /* Next Action Command */
173};
174
175#define acoff(p,f) toff(ach_t, p, f)
176
177/*
178 * The Nop Action Command.
179 */
180typedef struct ac_nop_t ac_nop_t;
181struct ac_nop_t
182{
183 ach_t nop_h;
184};
185
186/*
187 * The IA-Setup Action Command.
188 */
189typedef struct ac_ias_t ac_ias_t;
190struct ac_ias_t
191{
192 ach_t ias_h;
193 unsigned char ias_addr[ADDR_LEN]; /* The (ethernet) address */
194};
195
196/*
197 * The Configure Action Command.
198 */
199typedef struct ac_cfg_t ac_cfg_t;
200struct ac_cfg_t
201{
202 ach_t cfg_h;
203 unsigned char cfg_byte_cnt; /* Size foll data: 4-12 */
204#define AC_CFG_BYTE_CNT(v) (((v) & 0xF) << 0)
205 unsigned char cfg_fifolim; /* FIFO threshold */
206#define AC_CFG_FIFOLIM(v) (((v) & 0xF) << 0)
207 unsigned char cfg_byte8;
208#define AC_CFG_SAV_BF(v) (((v) & 0x1) << 7) /* Save rxd bad frames */
209#define AC_CFG_SRDY(v) (((v) & 0x1) << 6) /* SRDY/ARDY pin means */
210 /* external sync. */
211 unsigned char cfg_byte9;
212#define AC_CFG_ELPBCK(v) (((v) & 0x1) << 7) /* External loopback */
213#define AC_CFG_ILPBCK(v) (((v) & 0x1) << 6) /* Internal loopback */
214#define AC_CFG_PRELEN(v) (((v) & 0x3) << 4) /* Preamble length */
215#define AC_CFG_PLEN_2 0 /* 2 bytes */
216#define AC_CFG_PLEN_4 1 /* 4 bytes */
217#define AC_CFG_PLEN_8 2 /* 8 bytes */
218#define AC_CFG_PLEN_16 3 /* 16 bytes */
219#define AC_CFG_ALOC(v) (((v) & 0x1) << 3) /* Addr/len data is */
220 /* explicit in buffers */
221#define AC_CFG_ADDRLEN(v) (((v) & 0x7) << 0) /* Bytes per address */
222 unsigned char cfg_byte10;
223#define AC_CFG_BOFMET(v) (((v) & 0x1) << 7) /* Use alternate expo. */
224 /* backoff method */
225#define AC_CFG_ACR(v) (((v) & 0x7) << 4) /* Accelerated cont. res. */
226#define AC_CFG_LINPRIO(v) (((v) & 0x7) << 0) /* Linear priority */
227 unsigned char cfg_ifs; /* Interframe spacing */
228 unsigned char cfg_slotl; /* Slot time (low byte) */
229 unsigned char cfg_byte13;
230#define AC_CFG_RETRYNUM(v) (((v) & 0xF) << 4) /* Max. collision retry */
231#define AC_CFG_SLTTMHI(v) (((v) & 0x7) << 0) /* Slot time (high bits) */
232 unsigned char cfg_byte14;
233#define AC_CFG_FLGPAD(v) (((v) & 0x1) << 7) /* Pad with HDLC flags */
234#define AC_CFG_BTSTF(v) (((v) & 0x1) << 6) /* Do HDLC bitstuffing */
235#define AC_CFG_CRC16(v) (((v) & 0x1) << 5) /* 16 bit CCITT CRC */
236#define AC_CFG_NCRC(v) (((v) & 0x1) << 4) /* Insert no CRC */
237#define AC_CFG_TNCRS(v) (((v) & 0x1) << 3) /* Tx even if no carrier */
238#define AC_CFG_MANCH(v) (((v) & 0x1) << 2) /* Manchester coding */
239#define AC_CFG_BCDIS(v) (((v) & 0x1) << 1) /* Disable broadcast */
240#define AC_CFG_PRM(v) (((v) & 0x1) << 0) /* Promiscuous mode */
241 unsigned char cfg_byte15;
242#define AC_CFG_ICDS(v) (((v) & 0x1) << 7) /* Internal collision */
243 /* detect source */
244#define AC_CFG_CDTF(v) (((v) & 0x7) << 4) /* Collision detect */
245 /* filter in bit times */
246#define AC_CFG_ICSS(v) (((v) & 0x1) << 3) /* Internal carrier */
247 /* sense source */
248#define AC_CFG_CSTF(v) (((v) & 0x7) << 0) /* Carrier sense */
249 /* filter in bit times */
250 unsigned short cfg_min_frm_len;
251#define AC_CFG_MNFRM(v) (((v) & 0xFF) << 0) /* Min. bytes/frame (<= 255) */
252};
253
254/*
255 * The MC-Setup Action Command.
256 */
257typedef struct ac_mcs_t ac_mcs_t;
258struct ac_mcs_t
259{
260 ach_t mcs_h;
261 unsigned short mcs_cnt; /* No. of bytes of MC addresses */
262#if 0
263 unsigned char mcs_data[ADDR_LEN]; /* The first MC address .. */
264 ...
265#endif
266};
267
268#define I82586_MAX_MULTICAST_ADDRESSES 128 /* Hardware hashed filter */
269
270/*
271 * The Transmit Action Command.
272 */
273typedef struct ac_tx_t ac_tx_t;
274struct ac_tx_t
275{
276 ach_t tx_h;
277 unsigned short tx_tbd_offset; /* Address of list of buffers. */
278#if 0
279Linux packets are passed down with the destination MAC address
280and length/type field already prepended to the data,
281so we do not need to insert it. Consistent with this
282we must also set the AC_CFG_ALOC(..) flag during the
283ac_cfg_t action command.
284 unsigned char tx_addr[ADDR_LEN]; /* The frame dest. address */
285 unsigned short tx_length; /* The frame length */
286#endif /* 0 */
287};
288
289/*
290 * The Time Domain Reflectometer Action Command.
291 */
292typedef struct ac_tdr_t ac_tdr_t;
293struct ac_tdr_t
294{
295 ach_t tdr_h;
296 unsigned short tdr_result; /* Result. */
297#define AC_TDR_LNK_OK (0x1 << 15) /* No link problem */
298#define AC_TDR_XCVR_PRB (0x1 << 14) /* Txcvr cable problem */
299#define AC_TDR_ET_OPN (0x1 << 13) /* Open on the link */
300#define AC_TDR_ET_SRT (0x1 << 12) /* Short on the link */
301#define AC_TDR_TIME (0x7FF << 0) /* Distance to problem */
302 /* site in transmit */
303 /* clock cycles */
304};
305
306/*
307 * The Dump Action Command.
308 */
309typedef struct ac_dmp_t ac_dmp_t;
310struct ac_dmp_t
311{
312 ach_t dmp_h;
313 unsigned short dmp_offset; /* Result. */
314};
315
316/*
317 * Size of the result of the dump command.
318 */
319#define DUMPBYTES 170
320
321/*
322 * The Diagnose Action Command.
323 */
324typedef struct ac_dgn_t ac_dgn_t;
325struct ac_dgn_t
326{
327 ach_t dgn_h;
328};
329
330/*
331 * Transmit Buffer Descriptor (TBD).
332 */
333typedef struct tbd_t tbd_t;
334struct tbd_t
335{
336 unsigned short tbd_status; /* Written by the CPU */
337#define TBD_STATUS_EOF (0x1 << 15) /* This TBD is the */
338 /* last for this frame */
339#define TBD_STATUS_ACNT (0x3FFF << 0) /* Actual count of data */
340 /* bytes in this buffer */
341 unsigned short tbd_next_bd_offset; /* Next in list */
342 unsigned short tbd_bufl; /* Buffer address (low) */
343 unsigned short tbd_bufh; /* " " (high) */
344};
345
346/*
347 * Receive Buffer Descriptor (RBD).
348 */
349typedef struct rbd_t rbd_t;
350struct rbd_t
351{
352 unsigned short rbd_status; /* Written by the 82586 */
353#define RBD_STATUS_EOF (0x1 << 15) /* This RBD is the */
354 /* last for this frame */
355#define RBD_STATUS_F (0x1 << 14) /* ACNT field is valid */
356#define RBD_STATUS_ACNT (0x3FFF << 0) /* Actual no. of data */
357 /* bytes in this buffer */
358 unsigned short rbd_next_rbd_offset; /* Next rbd in list */
359 unsigned short rbd_bufl; /* Data pointer (low) */
360 unsigned short rbd_bufh; /* " " (high) */
361 unsigned short rbd_el_size; /* EL+Data buf. size */
362#define RBD_EL (0x1 << 15) /* This BD is the */
363 /* last in the list */
364#define RBD_SIZE (0x3FFF << 0) /* No. of bytes the */
365 /* buffer can hold */
366};
367
368#define rbdoff(p,f) toff(rbd_t, p, f)
369
370/*
371 * Frame Descriptor (FD).
372 */
373typedef struct fd_t fd_t;
374struct fd_t
375{
376 unsigned short fd_status; /* Written by the 82586 */
377#define FD_STATUS_C (0x1 << 15) /* Completed storing frame */
378#define FD_STATUS_B (0x1 << 14) /* FD was consumed by RU */
379#define FD_STATUS_OK (0x1 << 13) /* Frame rxd successfully */
380#define FD_STATUS_S11 (0x1 << 11) /* CRC error */
381#define FD_STATUS_S10 (0x1 << 10) /* Alignment error */
382#define FD_STATUS_S9 (0x1 << 9) /* Ran out of resources */
383#define FD_STATUS_S8 (0x1 << 8) /* Rx DMA overrun */
384#define FD_STATUS_S7 (0x1 << 7) /* Frame too short */
385#define FD_STATUS_S6 (0x1 << 6) /* No EOF flag */
386 unsigned short fd_command; /* Command */
387#define FD_COMMAND_EL (0x1 << 15) /* Last FD in list */
388#define FD_COMMAND_S (0x1 << 14) /* Suspend RU after rx */
389 unsigned short fd_link_offset; /* Next FD */
390 unsigned short fd_rbd_offset; /* First RBD (data) */
391 /* Prepared by CPU, */
392 /* updated by 82586 */
393#if 0
394I think the rest is unused since we
395have set AC_CFG_ALOC(..). However, just
396in case, we leave the space.
397#endif /* 0 */
398 unsigned char fd_dest[ADDR_LEN]; /* Destination address */
399 /* Written by 82586 */
400 unsigned char fd_src[ADDR_LEN]; /* Source address */
401 /* Written by 82586 */
402 unsigned short fd_length; /* Frame length or type */
403 /* Written by 82586 */
404};
405
406#define fdoff(p,f) toff(fd_t, p, f)
407
408/*
409 * This software may only be used and distributed
410 * according to the terms of the GNU General Public License.
411 *
412 * For more details, see wavelan.c.
413 */
diff --git a/drivers/net/wireless/i82593.h b/drivers/net/wireless/i82593.h
deleted file mode 100644
index afac5c7a323d..000000000000
--- a/drivers/net/wireless/i82593.h
+++ /dev/null
@@ -1,229 +0,0 @@
1/*
2 * Definitions for Intel 82593 CSMA/CD Core LAN Controller
3 * The definitions are taken from the 1992 users manual with Intel
4 * order number 297125-001.
5 *
6 * /usr/src/pc/RCS/i82593.h,v 1.1 1996/07/17 15:23:12 root Exp
7 *
8 * Copyright 1994, Anders Klemets <klemets@it.kth.se>
9 *
10 * HISTORY
11 * i82593.h,v
12 * Revision 1.4 2005/11/4 09:15:00 baroniunas
13 * Modified copyright with permission of author as follows:
14 *
15 * "If I82539.H is the only file with my copyright statement
16 * that is included in the Source Forge project, then you have
17 * my approval to change the copyright statement to be a GPL
18 * license, in the way you proposed on October 10."
19 *
20 * Revision 1.1 1996/07/17 15:23:12 root
21 * Initial revision
22 *
23 * Revision 1.3 1995/04/05 15:13:58 adj
24 * Initial alpha release
25 *
26 * Revision 1.2 1994/06/16 23:57:31 klemets
27 * Mirrored all the fields in the configuration block.
28 *
29 * Revision 1.1 1994/06/02 20:25:34 klemets
30 * Initial revision
31 *
32 *
33 */
34#ifndef _I82593_H
35#define _I82593_H
36
37/* Intel 82593 CSMA/CD Core LAN Controller */
38
39/* Port 0 Command Register definitions */
40
41/* Execution operations */
42#define OP0_NOP 0 /* CHNL = 0 */
43#define OP0_SWIT_TO_PORT_1 0 /* CHNL = 1 */
44#define OP0_IA_SETUP 1
45#define OP0_CONFIGURE 2
46#define OP0_MC_SETUP 3
47#define OP0_TRANSMIT 4
48#define OP0_TDR 5
49#define OP0_DUMP 6
50#define OP0_DIAGNOSE 7
51#define OP0_TRANSMIT_NO_CRC 9
52#define OP0_RETRANSMIT 12
53#define OP0_ABORT 13
54/* Reception operations */
55#define OP0_RCV_ENABLE 8
56#define OP0_RCV_DISABLE 10
57#define OP0_STOP_RCV 11
58/* Status pointer control operations */
59#define OP0_FIX_PTR 15 /* CHNL = 1 */
60#define OP0_RLS_PTR 15 /* CHNL = 0 */
61#define OP0_RESET 14
62
63#define CR0_CHNL (1 << 4) /* 0=Channel 0, 1=Channel 1 */
64#define CR0_STATUS_0 0x00
65#define CR0_STATUS_1 0x20
66#define CR0_STATUS_2 0x40
67#define CR0_STATUS_3 0x60
68#define CR0_INT_ACK (1 << 7) /* 0=No ack, 1=acknowledge */
69
70/* Port 0 Status Register definitions */
71
72#define SR0_NO_RESULT 0 /* dummy */
73#define SR0_EVENT_MASK 0x0f
74#define SR0_IA_SETUP_DONE 1
75#define SR0_CONFIGURE_DONE 2
76#define SR0_MC_SETUP_DONE 3
77#define SR0_TRANSMIT_DONE 4
78#define SR0_TDR_DONE 5
79#define SR0_DUMP_DONE 6
80#define SR0_DIAGNOSE_PASSED 7
81#define SR0_TRANSMIT_NO_CRC_DONE 9
82#define SR0_RETRANSMIT_DONE 12
83#define SR0_EXECUTION_ABORTED 13
84#define SR0_END_OF_FRAME 8
85#define SR0_RECEPTION_ABORTED 10
86#define SR0_DIAGNOSE_FAILED 15
87#define SR0_STOP_REG_HIT 11
88
89#define SR0_CHNL (1 << 4)
90#define SR0_EXECUTION (1 << 5)
91#define SR0_RECEPTION (1 << 6)
92#define SR0_INTERRUPT (1 << 7)
93#define SR0_BOTH_RX_TX (SR0_EXECUTION | SR0_RECEPTION)
94
95#define SR3_EXEC_STATE_MASK 0x03
96#define SR3_EXEC_IDLE 0
97#define SR3_TX_ABORT_IN_PROGRESS 1
98#define SR3_EXEC_ACTIVE 2
99#define SR3_ABORT_IN_PROGRESS 3
100#define SR3_EXEC_CHNL (1 << 2)
101#define SR3_STP_ON_NO_RSRC (1 << 3)
102#define SR3_RCVING_NO_RSRC (1 << 4)
103#define SR3_RCV_STATE_MASK 0x60
104#define SR3_RCV_IDLE 0x00
105#define SR3_RCV_READY 0x20
106#define SR3_RCV_ACTIVE 0x40
107#define SR3_RCV_STOP_IN_PROG 0x60
108#define SR3_RCV_CHNL (1 << 7)
109
110/* Port 1 Command Register definitions */
111
112#define OP1_NOP 0
113#define OP1_SWIT_TO_PORT_0 1
114#define OP1_INT_DISABLE 2
115#define OP1_INT_ENABLE 3
116#define OP1_SET_TS 5
117#define OP1_RST_TS 7
118#define OP1_POWER_DOWN 8
119#define OP1_RESET_RING_MNGMT 11
120#define OP1_RESET 14
121#define OP1_SEL_RST 15
122
123#define CR1_STATUS_4 0x00
124#define CR1_STATUS_5 0x20
125#define CR1_STATUS_6 0x40
126#define CR1_STOP_REG_UPDATE (1 << 7)
127
128/* Receive frame status bits */
129
130#define RX_RCLD (1 << 0)
131#define RX_IA_MATCH (1 << 1)
132#define RX_NO_AD_MATCH (1 << 2)
133#define RX_NO_SFD (1 << 3)
134#define RX_SRT_FRM (1 << 7)
135#define RX_OVRRUN (1 << 8)
136#define RX_ALG_ERR (1 << 10)
137#define RX_CRC_ERR (1 << 11)
138#define RX_LEN_ERR (1 << 12)
139#define RX_RCV_OK (1 << 13)
140#define RX_TYP_LEN (1 << 15)
141
142/* Transmit status bits */
143
144#define TX_NCOL_MASK 0x0f
145#define TX_FRTL (1 << 4)
146#define TX_MAX_COL (1 << 5)
147#define TX_HRT_BEAT (1 << 6)
148#define TX_DEFER (1 << 7)
149#define TX_UND_RUN (1 << 8)
150#define TX_LOST_CTS (1 << 9)
151#define TX_LOST_CRS (1 << 10)
152#define TX_LTCOL (1 << 11)
153#define TX_OK (1 << 13)
154#define TX_COLL (1 << 15)
155
156struct i82593_conf_block {
157 u_char fifo_limit : 4,
158 forgnesi : 1,
159 fifo_32 : 1,
160 d6mod : 1,
161 throttle_enb : 1;
162 u_char throttle : 6,
163 cntrxint : 1,
164 contin : 1;
165 u_char addr_len : 3,
166 acloc : 1,
167 preamb_len : 2,
168 loopback : 2;
169 u_char lin_prio : 3,
170 tbofstop : 1,
171 exp_prio : 3,
172 bof_met : 1;
173 u_char : 4,
174 ifrm_spc : 4;
175 u_char : 5,
176 slottim_low : 3;
177 u_char slottim_hi : 3,
178 : 1,
179 max_retr : 4;
180 u_char prmisc : 1,
181 bc_dis : 1,
182 : 1,
183 crs_1 : 1,
184 nocrc_ins : 1,
185 crc_1632 : 1,
186 : 1,
187 crs_cdt : 1;
188 u_char cs_filter : 3,
189 crs_src : 1,
190 cd_filter : 3,
191 : 1;
192 u_char : 2,
193 min_fr_len : 6;
194 u_char lng_typ : 1,
195 lng_fld : 1,
196 rxcrc_xf : 1,
197 artx : 1,
198 sarec : 1,
199 tx_jabber : 1, /* why is this called max_len in the manual? */
200 hash_1 : 1,
201 lbpkpol : 1;
202 u_char : 6,
203 fdx : 1,
204 : 1;
205 u_char dummy_6 : 6, /* supposed to be ones */
206 mult_ia : 1,
207 dis_bof : 1;
208 u_char dummy_1 : 1, /* supposed to be one */
209 tx_ifs_retrig : 2,
210 mc_all : 1,
211 rcv_mon : 2,
212 frag_acpt : 1,
213 tstrttrs : 1;
214 u_char fretx : 1,
215 runt_eop : 1,
216 hw_sw_pin : 1,
217 big_endn : 1,
218 syncrqs : 1,
219 sttlen : 1,
220 tx_eop : 1,
221 rx_eop : 1;
222 u_char rbuf_size : 5,
223 rcvstop : 1,
224 : 2;
225};
226
227#define I82593_MAX_MULTICAST_ADDRESSES 128 /* Hardware hashed filter */
228
229#endif /* _I82593_H */
diff --git a/drivers/net/wireless/wavelan.c b/drivers/net/wireless/wavelan.c
deleted file mode 100644
index d634b2da3b84..000000000000
--- a/drivers/net/wireless/wavelan.c
+++ /dev/null
@@ -1,4383 +0,0 @@
1/*
2 * WaveLAN ISA driver
3 *
4 * Jean II - HPLB '96
5 *
6 * Reorganisation and extension of the driver.
7 * Original copyright follows (also see the end of this file).
8 * See wavelan.p.h for details.
9 *
10 *
11 *
12 * AT&T GIS (nee NCR) WaveLAN card:
13 * An Ethernet-like radio transceiver
14 * controlled by an Intel 82586 coprocessor.
15 */
16
17#include "wavelan.p.h" /* Private header */
18
19/************************* MISC SUBROUTINES **************************/
20/*
21 * Subroutines which won't fit in one of the following category
22 * (WaveLAN modem or i82586)
23 */
24
25/*------------------------------------------------------------------*/
26/*
27 * Translate irq number to PSA irq parameter
28 */
29static u8 wv_irq_to_psa(int irq)
30{
31 if (irq < 0 || irq >= ARRAY_SIZE(irqvals))
32 return 0;
33
34 return irqvals[irq];
35}
36
37/*------------------------------------------------------------------*/
38/*
39 * Translate PSA irq parameter to irq number
40 */
41static int __init wv_psa_to_irq(u8 irqval)
42{
43 int i;
44
45 for (i = 0; i < ARRAY_SIZE(irqvals); i++)
46 if (irqvals[i] == irqval)
47 return i;
48
49 return -1;
50}
51
52/********************* HOST ADAPTER SUBROUTINES *********************/
53/*
54 * Useful subroutines to manage the WaveLAN ISA interface
55 *
56 * One major difference with the PCMCIA hardware (except the port mapping)
57 * is that we have to keep the state of the Host Control Register
58 * because of the interrupt enable & bus size flags.
59 */
60
61/*------------------------------------------------------------------*/
62/*
63 * Read from card's Host Adaptor Status Register.
64 */
65static inline u16 hasr_read(unsigned long ioaddr)
66{
67 return (inw(HASR(ioaddr)));
68} /* hasr_read */
69
70/*------------------------------------------------------------------*/
71/*
72 * Write to card's Host Adapter Command Register.
73 */
74static inline void hacr_write(unsigned long ioaddr, u16 hacr)
75{
76 outw(hacr, HACR(ioaddr));
77} /* hacr_write */
78
79/*------------------------------------------------------------------*/
80/*
81 * Write to card's Host Adapter Command Register. Include a delay for
82 * those times when it is needed.
83 */
84static void hacr_write_slow(unsigned long ioaddr, u16 hacr)
85{
86 hacr_write(ioaddr, hacr);
87 /* delay might only be needed sometimes */
88 mdelay(1);
89} /* hacr_write_slow */
90
91/*------------------------------------------------------------------*/
92/*
93 * Set the channel attention bit.
94 */
95static inline void set_chan_attn(unsigned long ioaddr, u16 hacr)
96{
97 hacr_write(ioaddr, hacr | HACR_CA);
98} /* set_chan_attn */
99
100/*------------------------------------------------------------------*/
101/*
102 * Reset, and then set host adaptor into default mode.
103 */
104static inline void wv_hacr_reset(unsigned long ioaddr)
105{
106 hacr_write_slow(ioaddr, HACR_RESET);
107 hacr_write(ioaddr, HACR_DEFAULT);
108} /* wv_hacr_reset */
109
110/*------------------------------------------------------------------*/
111/*
112 * Set the I/O transfer over the ISA bus to 8-bit mode
113 */
114static inline void wv_16_off(unsigned long ioaddr, u16 hacr)
115{
116 hacr &= ~HACR_16BITS;
117 hacr_write(ioaddr, hacr);
118} /* wv_16_off */
119
120/*------------------------------------------------------------------*/
121/*
122 * Set the I/O transfer over the ISA bus to 8-bit mode
123 */
124static inline void wv_16_on(unsigned long ioaddr, u16 hacr)
125{
126 hacr |= HACR_16BITS;
127 hacr_write(ioaddr, hacr);
128} /* wv_16_on */
129
130/*------------------------------------------------------------------*/
131/*
132 * Disable interrupts on the WaveLAN hardware.
133 * (called by wv_82586_stop())
134 */
135static inline void wv_ints_off(struct net_device * dev)
136{
137 net_local *lp = netdev_priv(dev);
138 unsigned long ioaddr = dev->base_addr;
139
140 lp->hacr &= ~HACR_INTRON;
141 hacr_write(ioaddr, lp->hacr);
142} /* wv_ints_off */
143
144/*------------------------------------------------------------------*/
145/*
146 * Enable interrupts on the WaveLAN hardware.
147 * (called by wv_hw_reset())
148 */
149static inline void wv_ints_on(struct net_device * dev)
150{
151 net_local *lp = netdev_priv(dev);
152 unsigned long ioaddr = dev->base_addr;
153
154 lp->hacr |= HACR_INTRON;
155 hacr_write(ioaddr, lp->hacr);
156} /* wv_ints_on */
157
158/******************* MODEM MANAGEMENT SUBROUTINES *******************/
159/*
160 * Useful subroutines to manage the modem of the WaveLAN
161 */
162
163/*------------------------------------------------------------------*/
164/*
165 * Read the Parameter Storage Area from the WaveLAN card's memory
166 */
167/*
168 * Read bytes from the PSA.
169 */
170static void psa_read(unsigned long ioaddr, u16 hacr, int o, /* offset in PSA */
171 u8 * b, /* buffer to fill */
172 int n)
173{ /* size to read */
174 wv_16_off(ioaddr, hacr);
175
176 while (n-- > 0) {
177 outw(o, PIOR2(ioaddr));
178 o++;
179 *b++ = inb(PIOP2(ioaddr));
180 }
181
182 wv_16_on(ioaddr, hacr);
183} /* psa_read */
184
185/*------------------------------------------------------------------*/
186/*
187 * Write the Parameter Storage Area to the WaveLAN card's memory.
188 */
189static void psa_write(unsigned long ioaddr, u16 hacr, int o, /* Offset in PSA */
190 u8 * b, /* Buffer in memory */
191 int n)
192{ /* Length of buffer */
193 int count = 0;
194
195 wv_16_off(ioaddr, hacr);
196
197 while (n-- > 0) {
198 outw(o, PIOR2(ioaddr));
199 o++;
200
201 outb(*b, PIOP2(ioaddr));
202 b++;
203
204 /* Wait for the memory to finish its write cycle */
205 count = 0;
206 while ((count++ < 100) &&
207 (hasr_read(ioaddr) & HASR_PSA_BUSY)) mdelay(1);
208 }
209
210 wv_16_on(ioaddr, hacr);
211} /* psa_write */
212
213#ifdef SET_PSA_CRC
214/*------------------------------------------------------------------*/
215/*
216 * Calculate the PSA CRC
217 * Thanks to Valster, Nico <NVALSTER@wcnd.nl.lucent.com> for the code
218 * NOTE: By specifying a length including the CRC position the
219 * returned value should be zero. (i.e. a correct checksum in the PSA)
220 *
221 * The Windows drivers don't use the CRC, but the AP and the PtP tool
222 * depend on it.
223 */
224static u16 psa_crc(u8 * psa, /* The PSA */
225 int size)
226{ /* Number of short for CRC */
227 int byte_cnt; /* Loop on the PSA */
228 u16 crc_bytes = 0; /* Data in the PSA */
229 int bit_cnt; /* Loop on the bits of the short */
230
231 for (byte_cnt = 0; byte_cnt < size; byte_cnt++) {
232 crc_bytes ^= psa[byte_cnt]; /* Its an xor */
233
234 for (bit_cnt = 1; bit_cnt < 9; bit_cnt++) {
235 if (crc_bytes & 0x0001)
236 crc_bytes = (crc_bytes >> 1) ^ 0xA001;
237 else
238 crc_bytes >>= 1;
239 }
240 }
241
242 return crc_bytes;
243} /* psa_crc */
244#endif /* SET_PSA_CRC */
245
246/*------------------------------------------------------------------*/
247/*
248 * update the checksum field in the Wavelan's PSA
249 */
250static void update_psa_checksum(struct net_device * dev, unsigned long ioaddr, u16 hacr)
251{
252#ifdef SET_PSA_CRC
253 psa_t psa;
254 u16 crc;
255
256 /* read the parameter storage area */
257 psa_read(ioaddr, hacr, 0, (unsigned char *) &psa, sizeof(psa));
258
259 /* update the checksum */
260 crc = psa_crc((unsigned char *) &psa,
261 sizeof(psa) - sizeof(psa.psa_crc[0]) -
262 sizeof(psa.psa_crc[1])
263 - sizeof(psa.psa_crc_status));
264
265 psa.psa_crc[0] = crc & 0xFF;
266 psa.psa_crc[1] = (crc & 0xFF00) >> 8;
267
268 /* Write it ! */
269 psa_write(ioaddr, hacr, (char *) &psa.psa_crc - (char *) &psa,
270 (unsigned char *) &psa.psa_crc, 2);
271
272#ifdef DEBUG_IOCTL_INFO
273 printk(KERN_DEBUG "%s: update_psa_checksum(): crc = 0x%02x%02x\n",
274 dev->name, psa.psa_crc[0], psa.psa_crc[1]);
275
276 /* Check again (luxury !) */
277 crc = psa_crc((unsigned char *) &psa,
278 sizeof(psa) - sizeof(psa.psa_crc_status));
279
280 if (crc != 0)
281 printk(KERN_WARNING
282 "%s: update_psa_checksum(): CRC does not agree with PSA data (even after recalculating)\n",
283 dev->name);
284#endif /* DEBUG_IOCTL_INFO */
285#endif /* SET_PSA_CRC */
286} /* update_psa_checksum */
287
288/*------------------------------------------------------------------*/
289/*
290 * Write 1 byte to the MMC.
291 */
292static void mmc_out(unsigned long ioaddr, u16 o, u8 d)
293{
294 int count = 0;
295
296 /* Wait for MMC to go idle */
297 while ((count++ < 100) && (inw(HASR(ioaddr)) & HASR_MMC_BUSY))
298 udelay(10);
299
300 outw((u16) (((u16) d << 8) | (o << 1) | 1), MMCR(ioaddr));
301}
302
303/*------------------------------------------------------------------*/
304/*
305 * Routine to write bytes to the Modem Management Controller.
306 * We start at the end because it is the way it should be!
307 */
308static void mmc_write(unsigned long ioaddr, u8 o, u8 * b, int n)
309{
310 o += n;
311 b += n;
312
313 while (n-- > 0)
314 mmc_out(ioaddr, --o, *(--b));
315} /* mmc_write */
316
317/*------------------------------------------------------------------*/
318/*
319 * Read a byte from the MMC.
320 * Optimised version for 1 byte, avoid using memory.
321 */
322static u8 mmc_in(unsigned long ioaddr, u16 o)
323{
324 int count = 0;
325
326 while ((count++ < 100) && (inw(HASR(ioaddr)) & HASR_MMC_BUSY))
327 udelay(10);
328 outw(o << 1, MMCR(ioaddr));
329
330 while ((count++ < 100) && (inw(HASR(ioaddr)) & HASR_MMC_BUSY))
331 udelay(10);
332 return (u8) (inw(MMCR(ioaddr)) >> 8);
333}
334
335/*------------------------------------------------------------------*/
336/*
337 * Routine to read bytes from the Modem Management Controller.
338 * The implementation is complicated by a lack of address lines,
339 * which prevents decoding of the low-order bit.
340 * (code has just been moved in the above function)
341 * We start at the end because it is the way it should be!
342 */
343static inline void mmc_read(unsigned long ioaddr, u8 o, u8 * b, int n)
344{
345 o += n;
346 b += n;
347
348 while (n-- > 0)
349 *(--b) = mmc_in(ioaddr, --o);
350} /* mmc_read */
351
352/*------------------------------------------------------------------*/
353/*
354 * Get the type of encryption available.
355 */
356static inline int mmc_encr(unsigned long ioaddr)
357{ /* I/O port of the card */
358 int temp;
359
360 temp = mmc_in(ioaddr, mmroff(0, mmr_des_avail));
361 if ((temp != MMR_DES_AVAIL_DES) && (temp != MMR_DES_AVAIL_AES))
362 return 0;
363 else
364 return temp;
365}
366
367/*------------------------------------------------------------------*/
368/*
369 * Wait for the frequency EEPROM to complete a command.
370 * I hope this one will be optimally inlined.
371 */
372static inline void fee_wait(unsigned long ioaddr, /* I/O port of the card */
373 int delay, /* Base delay to wait for */
374 int number)
375{ /* Number of time to wait */
376 int count = 0; /* Wait only a limited time */
377
378 while ((count++ < number) &&
379 (mmc_in(ioaddr, mmroff(0, mmr_fee_status)) &
380 MMR_FEE_STATUS_BUSY)) udelay(delay);
381}
382
383/*------------------------------------------------------------------*/
384/*
385 * Read bytes from the Frequency EEPROM (frequency select cards).
386 */
387static void fee_read(unsigned long ioaddr, /* I/O port of the card */
388 u16 o, /* destination offset */
389 u16 * b, /* data buffer */
390 int n)
391{ /* number of registers */
392 b += n; /* Position at the end of the area */
393
394 /* Write the address */
395 mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), o + n - 1);
396
397 /* Loop on all buffer */
398 while (n-- > 0) {
399 /* Write the read command */
400 mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl),
401 MMW_FEE_CTRL_READ);
402
403 /* Wait until EEPROM is ready (should be quick). */
404 fee_wait(ioaddr, 10, 100);
405
406 /* Read the value. */
407 *--b = ((mmc_in(ioaddr, mmroff(0, mmr_fee_data_h)) << 8) |
408 mmc_in(ioaddr, mmroff(0, mmr_fee_data_l)));
409 }
410}
411
412
413/*------------------------------------------------------------------*/
414/*
415 * Write bytes from the Frequency EEPROM (frequency select cards).
416 * This is a bit complicated, because the frequency EEPROM has to
417 * be unprotected and the write enabled.
418 * Jean II
419 */
420static void fee_write(unsigned long ioaddr, /* I/O port of the card */
421 u16 o, /* destination offset */
422 u16 * b, /* data buffer */
423 int n)
424{ /* number of registers */
425 b += n; /* Position at the end of the area. */
426
427#ifdef EEPROM_IS_PROTECTED /* disabled */
428#ifdef DOESNT_SEEM_TO_WORK /* disabled */
429 /* Ask to read the protected register */
430 mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRREAD);
431
432 fee_wait(ioaddr, 10, 100);
433
434 /* Read the protected register. */
435 printk("Protected 2: %02X-%02X\n",
436 mmc_in(ioaddr, mmroff(0, mmr_fee_data_h)),
437 mmc_in(ioaddr, mmroff(0, mmr_fee_data_l)));
438#endif /* DOESNT_SEEM_TO_WORK */
439
440 /* Enable protected register. */
441 mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), MMW_FEE_ADDR_EN);
442 mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PREN);
443
444 fee_wait(ioaddr, 10, 100);
445
446 /* Unprotect area. */
447 mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), o + n);
448 mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRWRITE);
449#ifdef DOESNT_SEEM_TO_WORK /* disabled */
450 /* or use: */
451 mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRCLEAR);
452#endif /* DOESNT_SEEM_TO_WORK */
453
454 fee_wait(ioaddr, 10, 100);
455#endif /* EEPROM_IS_PROTECTED */
456
457 /* Write enable. */
458 mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), MMW_FEE_ADDR_EN);
459 mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_WREN);
460
461 fee_wait(ioaddr, 10, 100);
462
463 /* Write the EEPROM address. */
464 mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), o + n - 1);
465
466 /* Loop on all buffer */
467 while (n-- > 0) {
468 /* Write the value. */
469 mmc_out(ioaddr, mmwoff(0, mmw_fee_data_h), (*--b) >> 8);
470 mmc_out(ioaddr, mmwoff(0, mmw_fee_data_l), *b & 0xFF);
471
472 /* Write the write command. */
473 mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl),
474 MMW_FEE_CTRL_WRITE);
475
476 /* WaveLAN documentation says to wait at least 10 ms for EEBUSY = 0 */
477 mdelay(10);
478 fee_wait(ioaddr, 10, 100);
479 }
480
481 /* Write disable. */
482 mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), MMW_FEE_ADDR_DS);
483 mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_WDS);
484
485 fee_wait(ioaddr, 10, 100);
486
487#ifdef EEPROM_IS_PROTECTED /* disabled */
488 /* Reprotect EEPROM. */
489 mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), 0x00);
490 mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRWRITE);
491
492 fee_wait(ioaddr, 10, 100);
493#endif /* EEPROM_IS_PROTECTED */
494}
495
496/************************ I82586 SUBROUTINES *************************/
497/*
498 * Useful subroutines to manage the Ethernet controller
499 */
500
501/*------------------------------------------------------------------*/
502/*
503 * Read bytes from the on-board RAM.
504 * Why does inlining this function make it fail?
505 */
506static /*inline */ void obram_read(unsigned long ioaddr,
507 u16 o, u8 * b, int n)
508{
509 outw(o, PIOR1(ioaddr));
510 insw(PIOP1(ioaddr), (unsigned short *) b, (n + 1) >> 1);
511}
512
513/*------------------------------------------------------------------*/
514/*
515 * Write bytes to the on-board RAM.
516 */
517static inline void obram_write(unsigned long ioaddr, u16 o, u8 * b, int n)
518{
519 outw(o, PIOR1(ioaddr));
520 outsw(PIOP1(ioaddr), (unsigned short *) b, (n + 1) >> 1);
521}
522
523/*------------------------------------------------------------------*/
524/*
525 * Acknowledge the reading of the status issued by the i82586.
526 */
527static void wv_ack(struct net_device * dev)
528{
529 net_local *lp = netdev_priv(dev);
530 unsigned long ioaddr = dev->base_addr;
531 u16 scb_cs;
532 int i;
533
534 obram_read(ioaddr, scboff(OFFSET_SCB, scb_status),
535 (unsigned char *) &scb_cs, sizeof(scb_cs));
536 scb_cs &= SCB_ST_INT;
537
538 if (scb_cs == 0)
539 return;
540
541 obram_write(ioaddr, scboff(OFFSET_SCB, scb_command),
542 (unsigned char *) &scb_cs, sizeof(scb_cs));
543
544 set_chan_attn(ioaddr, lp->hacr);
545
546 for (i = 1000; i > 0; i--) {
547 obram_read(ioaddr, scboff(OFFSET_SCB, scb_command),
548 (unsigned char *) &scb_cs, sizeof(scb_cs));
549 if (scb_cs == 0)
550 break;
551
552 udelay(10);
553 }
554 udelay(100);
555
556#ifdef DEBUG_CONFIG_ERROR
557 if (i <= 0)
558 printk(KERN_INFO
559 "%s: wv_ack(): board not accepting command.\n",
560 dev->name);
561#endif
562}
563
564/*------------------------------------------------------------------*/
565/*
566 * Set channel attention bit and busy wait until command has
567 * completed, then acknowledge completion of the command.
568 */
569static int wv_synchronous_cmd(struct net_device * dev, const char *str)
570{
571 net_local *lp = netdev_priv(dev);
572 unsigned long ioaddr = dev->base_addr;
573 u16 scb_cmd;
574 ach_t cb;
575 int i;
576
577 scb_cmd = SCB_CMD_CUC & SCB_CMD_CUC_GO;
578 obram_write(ioaddr, scboff(OFFSET_SCB, scb_command),
579 (unsigned char *) &scb_cmd, sizeof(scb_cmd));
580
581 set_chan_attn(ioaddr, lp->hacr);
582
583 for (i = 1000; i > 0; i--) {
584 obram_read(ioaddr, OFFSET_CU, (unsigned char *) &cb,
585 sizeof(cb));
586 if (cb.ac_status & AC_SFLD_C)
587 break;
588
589 udelay(10);
590 }
591 udelay(100);
592
593 if (i <= 0 || !(cb.ac_status & AC_SFLD_OK)) {
594#ifdef DEBUG_CONFIG_ERROR
595 printk(KERN_INFO "%s: %s failed; status = 0x%x\n",
596 dev->name, str, cb.ac_status);
597#endif
598#ifdef DEBUG_I82586_SHOW
599 wv_scb_show(ioaddr);
600#endif
601 return -1;
602 }
603
604 /* Ack the status */
605 wv_ack(dev);
606
607 return 0;
608}
609
610/*------------------------------------------------------------------*/
611/*
612 * Configuration commands completion interrupt.
613 * Check if done, and if OK.
614 */
615static int
616wv_config_complete(struct net_device * dev, unsigned long ioaddr, net_local * lp)
617{
618 unsigned short mcs_addr;
619 unsigned short status;
620 int ret;
621
622#ifdef DEBUG_INTERRUPT_TRACE
623 printk(KERN_DEBUG "%s: ->wv_config_complete()\n", dev->name);
624#endif
625
626 mcs_addr = lp->tx_first_in_use + sizeof(ac_tx_t) + sizeof(ac_nop_t)
627 + sizeof(tbd_t) + sizeof(ac_cfg_t) + sizeof(ac_ias_t);
628
629 /* Read the status of the last command (set mc list). */
630 obram_read(ioaddr, acoff(mcs_addr, ac_status),
631 (unsigned char *) &status, sizeof(status));
632
633 /* If not completed -> exit */
634 if ((status & AC_SFLD_C) == 0)
635 ret = 0; /* Not ready to be scrapped */
636 else {
637#ifdef DEBUG_CONFIG_ERROR
638 unsigned short cfg_addr;
639 unsigned short ias_addr;
640
641 /* Check mc_config command */
642 if ((status & AC_SFLD_OK) != AC_SFLD_OK)
643 printk(KERN_INFO
644 "%s: wv_config_complete(): set_multicast_address failed; status = 0x%x\n",
645 dev->name, status);
646
647 /* check ia-config command */
648 ias_addr = mcs_addr - sizeof(ac_ias_t);
649 obram_read(ioaddr, acoff(ias_addr, ac_status),
650 (unsigned char *) &status, sizeof(status));
651 if ((status & AC_SFLD_OK) != AC_SFLD_OK)
652 printk(KERN_INFO
653 "%s: wv_config_complete(): set_MAC_address failed; status = 0x%x\n",
654 dev->name, status);
655
656 /* Check config command. */
657 cfg_addr = ias_addr - sizeof(ac_cfg_t);
658 obram_read(ioaddr, acoff(cfg_addr, ac_status),
659 (unsigned char *) &status, sizeof(status));
660 if ((status & AC_SFLD_OK) != AC_SFLD_OK)
661 printk(KERN_INFO
662 "%s: wv_config_complete(): configure failed; status = 0x%x\n",
663 dev->name, status);
664#endif /* DEBUG_CONFIG_ERROR */
665
666 ret = 1; /* Ready to be scrapped */
667 }
668
669#ifdef DEBUG_INTERRUPT_TRACE
670 printk(KERN_DEBUG "%s: <-wv_config_complete() - %d\n", dev->name,
671 ret);
672#endif
673 return ret;
674}
675
676/*------------------------------------------------------------------*/
677/*
678 * Command completion interrupt.
679 * Reclaim as many freed tx buffers as we can.
680 * (called in wavelan_interrupt()).
681 * Note : the spinlock is already grabbed for us.
682 */
683static int wv_complete(struct net_device * dev, unsigned long ioaddr, net_local * lp)
684{
685 int nreaped = 0;
686
687#ifdef DEBUG_INTERRUPT_TRACE
688 printk(KERN_DEBUG "%s: ->wv_complete()\n", dev->name);
689#endif
690
691 /* Loop on all the transmit buffers */
692 while (lp->tx_first_in_use != I82586NULL) {
693 unsigned short tx_status;
694
695 /* Read the first transmit buffer */
696 obram_read(ioaddr, acoff(lp->tx_first_in_use, ac_status),
697 (unsigned char *) &tx_status,
698 sizeof(tx_status));
699
700 /* If not completed -> exit */
701 if ((tx_status & AC_SFLD_C) == 0)
702 break;
703
704 /* Hack for reconfiguration */
705 if (tx_status == 0xFFFF)
706 if (!wv_config_complete(dev, ioaddr, lp))
707 break; /* Not completed */
708
709 /* We now remove this buffer */
710 nreaped++;
711 --lp->tx_n_in_use;
712
713/*
714if (lp->tx_n_in_use > 0)
715 printk("%c", "0123456789abcdefghijk"[lp->tx_n_in_use]);
716*/
717
718 /* Was it the last one? */
719 if (lp->tx_n_in_use <= 0)
720 lp->tx_first_in_use = I82586NULL;
721 else {
722 /* Next one in the chain */
723 lp->tx_first_in_use += TXBLOCKZ;
724 if (lp->tx_first_in_use >=
725 OFFSET_CU +
726 NTXBLOCKS * TXBLOCKZ) lp->tx_first_in_use -=
727 NTXBLOCKS * TXBLOCKZ;
728 }
729
730 /* Hack for reconfiguration */
731 if (tx_status == 0xFFFF)
732 continue;
733
734 /* Now, check status of the finished command */
735 if (tx_status & AC_SFLD_OK) {
736 int ncollisions;
737
738 dev->stats.tx_packets++;
739 ncollisions = tx_status & AC_SFLD_MAXCOL;
740 dev->stats.collisions += ncollisions;
741#ifdef DEBUG_TX_INFO
742 if (ncollisions > 0)
743 printk(KERN_DEBUG
744 "%s: wv_complete(): tx completed after %d collisions.\n",
745 dev->name, ncollisions);
746#endif
747 } else {
748 dev->stats.tx_errors++;
749 if (tx_status & AC_SFLD_S10) {
750 dev->stats.tx_carrier_errors++;
751#ifdef DEBUG_TX_FAIL
752 printk(KERN_DEBUG
753 "%s: wv_complete(): tx error: no CS.\n",
754 dev->name);
755#endif
756 }
757 if (tx_status & AC_SFLD_S9) {
758 dev->stats.tx_carrier_errors++;
759#ifdef DEBUG_TX_FAIL
760 printk(KERN_DEBUG
761 "%s: wv_complete(): tx error: lost CTS.\n",
762 dev->name);
763#endif
764 }
765 if (tx_status & AC_SFLD_S8) {
766 dev->stats.tx_fifo_errors++;
767#ifdef DEBUG_TX_FAIL
768 printk(KERN_DEBUG
769 "%s: wv_complete(): tx error: slow DMA.\n",
770 dev->name);
771#endif
772 }
773 if (tx_status & AC_SFLD_S6) {
774 dev->stats.tx_heartbeat_errors++;
775#ifdef DEBUG_TX_FAIL
776 printk(KERN_DEBUG
777 "%s: wv_complete(): tx error: heart beat.\n",
778 dev->name);
779#endif
780 }
781 if (tx_status & AC_SFLD_S5) {
782 dev->stats.tx_aborted_errors++;
783#ifdef DEBUG_TX_FAIL
784 printk(KERN_DEBUG
785 "%s: wv_complete(): tx error: too many collisions.\n",
786 dev->name);
787#endif
788 }
789 }
790
791#ifdef DEBUG_TX_INFO
792 printk(KERN_DEBUG
793 "%s: wv_complete(): tx completed, tx_status 0x%04x\n",
794 dev->name, tx_status);
795#endif
796 }
797
798#ifdef DEBUG_INTERRUPT_INFO
799 if (nreaped > 1)
800 printk(KERN_DEBUG "%s: wv_complete(): reaped %d\n",
801 dev->name, nreaped);
802#endif
803
804 /*
805 * Inform upper layers.
806 */
807 if (lp->tx_n_in_use < NTXBLOCKS - 1) {
808 netif_wake_queue(dev);
809 }
810#ifdef DEBUG_INTERRUPT_TRACE
811 printk(KERN_DEBUG "%s: <-wv_complete()\n", dev->name);
812#endif
813 return nreaped;
814}
815
816/*------------------------------------------------------------------*/
817/*
818 * Reconfigure the i82586, or at least ask for it.
819 * Because wv_82586_config uses a transmission buffer, we must do it
820 * when we are sure that there is one left, so we do it now
821 * or in wavelan_packet_xmit() (I can't find any better place,
822 * wavelan_interrupt is not an option), so you may experience
823 * delays sometimes.
824 */
825static void wv_82586_reconfig(struct net_device * dev)
826{
827 net_local *lp = netdev_priv(dev);
828 unsigned long flags;
829
830 /* Arm the flag, will be cleard in wv_82586_config() */
831 lp->reconfig_82586 = 1;
832
833 /* Check if we can do it now ! */
834 if((netif_running(dev)) && !(netif_queue_stopped(dev))) {
835 spin_lock_irqsave(&lp->spinlock, flags);
836 /* May fail */
837 wv_82586_config(dev);
838 spin_unlock_irqrestore(&lp->spinlock, flags);
839 }
840 else {
841#ifdef DEBUG_CONFIG_INFO
842 printk(KERN_DEBUG
843 "%s: wv_82586_reconfig(): delayed (state = %lX)\n",
844 dev->name, dev->state);
845#endif
846 }
847}
848
849/********************* DEBUG & INFO SUBROUTINES *********************/
850/*
851 * This routine is used in the code to show information for debugging.
852 * Most of the time, it dumps the contents of hardware structures.
853 */
854
855#ifdef DEBUG_PSA_SHOW
856/*------------------------------------------------------------------*/
857/*
858 * Print the formatted contents of the Parameter Storage Area.
859 */
860static void wv_psa_show(psa_t * p)
861{
862 printk(KERN_DEBUG "##### WaveLAN PSA contents: #####\n");
863 printk(KERN_DEBUG "psa_io_base_addr_1: 0x%02X %02X %02X %02X\n",
864 p->psa_io_base_addr_1,
865 p->psa_io_base_addr_2,
866 p->psa_io_base_addr_3, p->psa_io_base_addr_4);
867 printk(KERN_DEBUG "psa_rem_boot_addr_1: 0x%02X %02X %02X\n",
868 p->psa_rem_boot_addr_1,
869 p->psa_rem_boot_addr_2, p->psa_rem_boot_addr_3);
870 printk(KERN_DEBUG "psa_holi_params: 0x%02x, ", p->psa_holi_params);
871 printk("psa_int_req_no: %d\n", p->psa_int_req_no);
872#ifdef DEBUG_SHOW_UNUSED
873 printk(KERN_DEBUG "psa_unused0[]: %pM\n", p->psa_unused0);
874#endif /* DEBUG_SHOW_UNUSED */
875 printk(KERN_DEBUG "psa_univ_mac_addr[]: %pM\n", p->psa_univ_mac_addr);
876 printk(KERN_DEBUG "psa_local_mac_addr[]: %pM\n", p->psa_local_mac_addr);
877 printk(KERN_DEBUG "psa_univ_local_sel: %d, ",
878 p->psa_univ_local_sel);
879 printk("psa_comp_number: %d, ", p->psa_comp_number);
880 printk("psa_thr_pre_set: 0x%02x\n", p->psa_thr_pre_set);
881 printk(KERN_DEBUG "psa_feature_select/decay_prm: 0x%02x, ",
882 p->psa_feature_select);
883 printk("psa_subband/decay_update_prm: %d\n", p->psa_subband);
884 printk(KERN_DEBUG "psa_quality_thr: 0x%02x, ", p->psa_quality_thr);
885 printk("psa_mod_delay: 0x%02x\n", p->psa_mod_delay);
886 printk(KERN_DEBUG "psa_nwid: 0x%02x%02x, ", p->psa_nwid[0],
887 p->psa_nwid[1]);
888 printk("psa_nwid_select: %d\n", p->psa_nwid_select);
889 printk(KERN_DEBUG "psa_encryption_select: %d, ",
890 p->psa_encryption_select);
891 printk
892 ("psa_encryption_key[]: %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
893 p->psa_encryption_key[0], p->psa_encryption_key[1],
894 p->psa_encryption_key[2], p->psa_encryption_key[3],
895 p->psa_encryption_key[4], p->psa_encryption_key[5],
896 p->psa_encryption_key[6], p->psa_encryption_key[7]);
897 printk(KERN_DEBUG "psa_databus_width: %d\n", p->psa_databus_width);
898 printk(KERN_DEBUG "psa_call_code/auto_squelch: 0x%02x, ",
899 p->psa_call_code[0]);
900 printk
901 ("psa_call_code[]: %02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
902 p->psa_call_code[0], p->psa_call_code[1], p->psa_call_code[2],
903 p->psa_call_code[3], p->psa_call_code[4], p->psa_call_code[5],
904 p->psa_call_code[6], p->psa_call_code[7]);
905#ifdef DEBUG_SHOW_UNUSED
906 printk(KERN_DEBUG "psa_reserved[]: %02X:%02X\n",
907 p->psa_reserved[0],
908 p->psa_reserved[1]);
909#endif /* DEBUG_SHOW_UNUSED */
910 printk(KERN_DEBUG "psa_conf_status: %d, ", p->psa_conf_status);
911 printk("psa_crc: 0x%02x%02x, ", p->psa_crc[0], p->psa_crc[1]);
912 printk("psa_crc_status: 0x%02x\n", p->psa_crc_status);
913} /* wv_psa_show */
914#endif /* DEBUG_PSA_SHOW */
915
916#ifdef DEBUG_MMC_SHOW
917/*------------------------------------------------------------------*/
918/*
919 * Print the formatted status of the Modem Management Controller.
920 * This function needs to be completed.
921 */
922static void wv_mmc_show(struct net_device * dev)
923{
924 unsigned long ioaddr = dev->base_addr;
925 net_local *lp = netdev_priv(dev);
926 mmr_t m;
927
928 /* Basic check */
929 if (hasr_read(ioaddr) & HASR_NO_CLK) {
930 printk(KERN_WARNING
931 "%s: wv_mmc_show: modem not connected\n",
932 dev->name);
933 return;
934 }
935
936 /* Read the mmc */
937 mmc_out(ioaddr, mmwoff(0, mmw_freeze), 1);
938 mmc_read(ioaddr, 0, (u8 *) & m, sizeof(m));
939 mmc_out(ioaddr, mmwoff(0, mmw_freeze), 0);
940
941 /* Don't forget to update statistics */
942 lp->wstats.discard.nwid +=
943 (m.mmr_wrong_nwid_h << 8) | m.mmr_wrong_nwid_l;
944
945 printk(KERN_DEBUG "##### WaveLAN modem status registers: #####\n");
946#ifdef DEBUG_SHOW_UNUSED
947 printk(KERN_DEBUG
948 "mmc_unused0[]: %02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
949 m.mmr_unused0[0], m.mmr_unused0[1], m.mmr_unused0[2],
950 m.mmr_unused0[3], m.mmr_unused0[4], m.mmr_unused0[5],
951 m.mmr_unused0[6], m.mmr_unused0[7]);
952#endif /* DEBUG_SHOW_UNUSED */
953 printk(KERN_DEBUG "Encryption algorithm: %02X - Status: %02X\n",
954 m.mmr_des_avail, m.mmr_des_status);
955#ifdef DEBUG_SHOW_UNUSED
956 printk(KERN_DEBUG "mmc_unused1[]: %02X:%02X:%02X:%02X:%02X\n",
957 m.mmr_unused1[0],
958 m.mmr_unused1[1],
959 m.mmr_unused1[2], m.mmr_unused1[3], m.mmr_unused1[4]);
960#endif /* DEBUG_SHOW_UNUSED */
961 printk(KERN_DEBUG "dce_status: 0x%x [%s%s%s%s]\n",
962 m.mmr_dce_status,
963 (m.
964 mmr_dce_status & MMR_DCE_STATUS_RX_BUSY) ?
965 "energy detected," : "",
966 (m.
967 mmr_dce_status & MMR_DCE_STATUS_LOOPT_IND) ?
968 "loop test indicated," : "",
969 (m.
970 mmr_dce_status & MMR_DCE_STATUS_TX_BUSY) ?
971 "transmitter on," : "",
972 (m.
973 mmr_dce_status & MMR_DCE_STATUS_JBR_EXPIRED) ?
974 "jabber timer expired," : "");
975 printk(KERN_DEBUG "Dsp ID: %02X\n", m.mmr_dsp_id);
976#ifdef DEBUG_SHOW_UNUSED
977 printk(KERN_DEBUG "mmc_unused2[]: %02X:%02X\n",
978 m.mmr_unused2[0], m.mmr_unused2[1]);
979#endif /* DEBUG_SHOW_UNUSED */
980 printk(KERN_DEBUG "# correct_nwid: %d, # wrong_nwid: %d\n",
981 (m.mmr_correct_nwid_h << 8) | m.mmr_correct_nwid_l,
982 (m.mmr_wrong_nwid_h << 8) | m.mmr_wrong_nwid_l);
983 printk(KERN_DEBUG "thr_pre_set: 0x%x [current signal %s]\n",
984 m.mmr_thr_pre_set & MMR_THR_PRE_SET,
985 (m.
986 mmr_thr_pre_set & MMR_THR_PRE_SET_CUR) ? "above" :
987 "below");
988 printk(KERN_DEBUG "signal_lvl: %d [%s], ",
989 m.mmr_signal_lvl & MMR_SIGNAL_LVL,
990 (m.
991 mmr_signal_lvl & MMR_SIGNAL_LVL_VALID) ? "new msg" :
992 "no new msg");
993 printk("silence_lvl: %d [%s], ",
994 m.mmr_silence_lvl & MMR_SILENCE_LVL,
995 (m.
996 mmr_silence_lvl & MMR_SILENCE_LVL_VALID) ? "update done" :
997 "no new update");
998 printk("sgnl_qual: 0x%x [%s]\n", m.mmr_sgnl_qual & MMR_SGNL_QUAL,
999 (m.
1000 mmr_sgnl_qual & MMR_SGNL_QUAL_ANT) ? "Antenna 1" :
1001 "Antenna 0");
1002#ifdef DEBUG_SHOW_UNUSED
1003 printk(KERN_DEBUG "netw_id_l: %x\n", m.mmr_netw_id_l);
1004#endif /* DEBUG_SHOW_UNUSED */
1005} /* wv_mmc_show */
1006#endif /* DEBUG_MMC_SHOW */
1007
1008#ifdef DEBUG_I82586_SHOW
1009/*------------------------------------------------------------------*/
1010/*
1011 * Print the last block of the i82586 memory.
1012 */
1013static void wv_scb_show(unsigned long ioaddr)
1014{
1015 scb_t scb;
1016
1017 obram_read(ioaddr, OFFSET_SCB, (unsigned char *) &scb,
1018 sizeof(scb));
1019
1020 printk(KERN_DEBUG "##### WaveLAN system control block: #####\n");
1021
1022 printk(KERN_DEBUG "status: ");
1023 printk("stat 0x%x[%s%s%s%s] ",
1024 (scb.
1025 scb_status & (SCB_ST_CX | SCB_ST_FR | SCB_ST_CNA |
1026 SCB_ST_RNR)) >> 12,
1027 (scb.
1028 scb_status & SCB_ST_CX) ? "command completion interrupt," :
1029 "", (scb.scb_status & SCB_ST_FR) ? "frame received," : "",
1030 (scb.
1031 scb_status & SCB_ST_CNA) ? "command unit not active," : "",
1032 (scb.
1033 scb_status & SCB_ST_RNR) ? "receiving unit not ready," :
1034 "");
1035 printk("cus 0x%x[%s%s%s] ", (scb.scb_status & SCB_ST_CUS) >> 8,
1036 ((scb.scb_status & SCB_ST_CUS) ==
1037 SCB_ST_CUS_IDLE) ? "idle" : "",
1038 ((scb.scb_status & SCB_ST_CUS) ==
1039 SCB_ST_CUS_SUSP) ? "suspended" : "",
1040 ((scb.scb_status & SCB_ST_CUS) ==
1041 SCB_ST_CUS_ACTV) ? "active" : "");
1042 printk("rus 0x%x[%s%s%s%s]\n", (scb.scb_status & SCB_ST_RUS) >> 4,
1043 ((scb.scb_status & SCB_ST_RUS) ==
1044 SCB_ST_RUS_IDLE) ? "idle" : "",
1045 ((scb.scb_status & SCB_ST_RUS) ==
1046 SCB_ST_RUS_SUSP) ? "suspended" : "",
1047 ((scb.scb_status & SCB_ST_RUS) ==
1048 SCB_ST_RUS_NRES) ? "no resources" : "",
1049 ((scb.scb_status & SCB_ST_RUS) ==
1050 SCB_ST_RUS_RDY) ? "ready" : "");
1051
1052 printk(KERN_DEBUG "command: ");
1053 printk("ack 0x%x[%s%s%s%s] ",
1054 (scb.
1055 scb_command & (SCB_CMD_ACK_CX | SCB_CMD_ACK_FR |
1056 SCB_CMD_ACK_CNA | SCB_CMD_ACK_RNR)) >> 12,
1057 (scb.
1058 scb_command & SCB_CMD_ACK_CX) ? "ack cmd completion," : "",
1059 (scb.
1060 scb_command & SCB_CMD_ACK_FR) ? "ack frame received," : "",
1061 (scb.
1062 scb_command & SCB_CMD_ACK_CNA) ? "ack CU not active," : "",
1063 (scb.
1064 scb_command & SCB_CMD_ACK_RNR) ? "ack RU not ready," : "");
1065 printk("cuc 0x%x[%s%s%s%s%s] ",
1066 (scb.scb_command & SCB_CMD_CUC) >> 8,
1067 ((scb.scb_command & SCB_CMD_CUC) ==
1068 SCB_CMD_CUC_NOP) ? "nop" : "",
1069 ((scb.scb_command & SCB_CMD_CUC) ==
1070 SCB_CMD_CUC_GO) ? "start cbl_offset" : "",
1071 ((scb.scb_command & SCB_CMD_CUC) ==
1072 SCB_CMD_CUC_RES) ? "resume execution" : "",
1073 ((scb.scb_command & SCB_CMD_CUC) ==
1074 SCB_CMD_CUC_SUS) ? "suspend execution" : "",
1075 ((scb.scb_command & SCB_CMD_CUC) ==
1076 SCB_CMD_CUC_ABT) ? "abort execution" : "");
1077 printk("ruc 0x%x[%s%s%s%s%s]\n",
1078 (scb.scb_command & SCB_CMD_RUC) >> 4,
1079 ((scb.scb_command & SCB_CMD_RUC) ==
1080 SCB_CMD_RUC_NOP) ? "nop" : "",
1081 ((scb.scb_command & SCB_CMD_RUC) ==
1082 SCB_CMD_RUC_GO) ? "start rfa_offset" : "",
1083 ((scb.scb_command & SCB_CMD_RUC) ==
1084 SCB_CMD_RUC_RES) ? "resume reception" : "",
1085 ((scb.scb_command & SCB_CMD_RUC) ==
1086 SCB_CMD_RUC_SUS) ? "suspend reception" : "",
1087 ((scb.scb_command & SCB_CMD_RUC) ==
1088 SCB_CMD_RUC_ABT) ? "abort reception" : "");
1089
1090 printk(KERN_DEBUG "cbl_offset 0x%x ", scb.scb_cbl_offset);
1091 printk("rfa_offset 0x%x\n", scb.scb_rfa_offset);
1092
1093 printk(KERN_DEBUG "crcerrs %d ", scb.scb_crcerrs);
1094 printk("alnerrs %d ", scb.scb_alnerrs);
1095 printk("rscerrs %d ", scb.scb_rscerrs);
1096 printk("ovrnerrs %d\n", scb.scb_ovrnerrs);
1097}
1098
1099/*------------------------------------------------------------------*/
1100/*
1101 * Print the formatted status of the i82586's receive unit.
1102 */
1103static void wv_ru_show(struct net_device * dev)
1104{
1105 printk(KERN_DEBUG
1106 "##### WaveLAN i82586 receiver unit status: #####\n");
1107 printk(KERN_DEBUG "ru:");
1108 /*
1109 * Not implemented yet
1110 */
1111 printk("\n");
1112} /* wv_ru_show */
1113
1114/*------------------------------------------------------------------*/
1115/*
1116 * Display info about one control block of the i82586 memory.
1117 */
1118static void wv_cu_show_one(struct net_device * dev, net_local * lp, int i, u16 p)
1119{
1120 unsigned long ioaddr;
1121 ac_tx_t actx;
1122
1123 ioaddr = dev->base_addr;
1124
1125 printk("%d: 0x%x:", i, p);
1126
1127 obram_read(ioaddr, p, (unsigned char *) &actx, sizeof(actx));
1128 printk(" status=0x%x,", actx.tx_h.ac_status);
1129 printk(" command=0x%x,", actx.tx_h.ac_command);
1130
1131 /*
1132 {
1133 tbd_t tbd;
1134
1135 obram_read(ioaddr, actx.tx_tbd_offset, (unsigned char *)&tbd, sizeof(tbd));
1136 printk(" tbd_status=0x%x,", tbd.tbd_status);
1137 }
1138 */
1139
1140 printk("|");
1141}
1142
1143/*------------------------------------------------------------------*/
1144/*
1145 * Print status of the command unit of the i82586.
1146 */
1147static void wv_cu_show(struct net_device * dev)
1148{
1149 net_local *lp = netdev_priv(dev);
1150 unsigned int i;
1151 u16 p;
1152
1153 printk(KERN_DEBUG
1154 "##### WaveLAN i82586 command unit status: #####\n");
1155
1156 printk(KERN_DEBUG);
1157 for (i = 0, p = lp->tx_first_in_use; i < NTXBLOCKS; i++) {
1158 wv_cu_show_one(dev, lp, i, p);
1159
1160 p += TXBLOCKZ;
1161 if (p >= OFFSET_CU + NTXBLOCKS * TXBLOCKZ)
1162 p -= NTXBLOCKS * TXBLOCKZ;
1163 }
1164 printk("\n");
1165}
1166#endif /* DEBUG_I82586_SHOW */
1167
1168#ifdef DEBUG_DEVICE_SHOW
1169/*------------------------------------------------------------------*/
1170/*
1171 * Print the formatted status of the WaveLAN PCMCIA device driver.
1172 */
1173static void wv_dev_show(struct net_device * dev)
1174{
1175 printk(KERN_DEBUG "dev:");
1176 printk(" state=%lX,", dev->state);
1177 printk(" trans_start=%ld,", dev->trans_start);
1178 printk(" flags=0x%x,", dev->flags);
1179 printk("\n");
1180} /* wv_dev_show */
1181
1182/*------------------------------------------------------------------*/
1183/*
1184 * Print the formatted status of the WaveLAN PCMCIA device driver's
1185 * private information.
1186 */
1187static void wv_local_show(struct net_device * dev)
1188{
1189 net_local *lp;
1190
1191 lp = netdev_priv(dev);
1192
1193 printk(KERN_DEBUG "local:");
1194 printk(" tx_n_in_use=%d,", lp->tx_n_in_use);
1195 printk(" hacr=0x%x,", lp->hacr);
1196 printk(" rx_head=0x%x,", lp->rx_head);
1197 printk(" rx_last=0x%x,", lp->rx_last);
1198 printk(" tx_first_free=0x%x,", lp->tx_first_free);
1199 printk(" tx_first_in_use=0x%x,", lp->tx_first_in_use);
1200 printk("\n");
1201} /* wv_local_show */
1202#endif /* DEBUG_DEVICE_SHOW */
1203
1204#if defined(DEBUG_RX_INFO) || defined(DEBUG_TX_INFO)
1205/*------------------------------------------------------------------*/
1206/*
1207 * Dump packet header (and content if necessary) on the screen
1208 */
1209static inline void wv_packet_info(u8 * p, /* Packet to dump */
1210 int length, /* Length of the packet */
1211 char *msg1, /* Name of the device */
1212 char *msg2)
1213{ /* Name of the function */
1214 int i;
1215 int maxi;
1216
1217 printk(KERN_DEBUG
1218 "%s: %s(): dest %pM, length %d\n",
1219 msg1, msg2, p, length);
1220 printk(KERN_DEBUG
1221 "%s: %s(): src %pM, type 0x%02X%02X\n",
1222 msg1, msg2, &p[6], p[12], p[13]);
1223
1224#ifdef DEBUG_PACKET_DUMP
1225
1226 printk(KERN_DEBUG "data=\"");
1227
1228 if ((maxi = length) > DEBUG_PACKET_DUMP)
1229 maxi = DEBUG_PACKET_DUMP;
1230 for (i = 14; i < maxi; i++)
1231 if (p[i] >= ' ' && p[i] <= '~')
1232 printk(" %c", p[i]);
1233 else
1234 printk("%02X", p[i]);
1235 if (maxi < length)
1236 printk("..");
1237 printk("\"\n");
1238 printk(KERN_DEBUG "\n");
1239#endif /* DEBUG_PACKET_DUMP */
1240}
1241#endif /* defined(DEBUG_RX_INFO) || defined(DEBUG_TX_INFO) */
1242
1243/*------------------------------------------------------------------*/
1244/*
1245 * This is the information which is displayed by the driver at startup.
1246 * There are lots of flags for configuring it to your liking.
1247 */
1248static void wv_init_info(struct net_device * dev)
1249{
1250 short ioaddr = dev->base_addr;
1251 net_local *lp = netdev_priv(dev);
1252 psa_t psa;
1253
1254 /* Read the parameter storage area */
1255 psa_read(ioaddr, lp->hacr, 0, (unsigned char *) &psa, sizeof(psa));
1256
1257#ifdef DEBUG_PSA_SHOW
1258 wv_psa_show(&psa);
1259#endif
1260#ifdef DEBUG_MMC_SHOW
1261 wv_mmc_show(dev);
1262#endif
1263#ifdef DEBUG_I82586_SHOW
1264 wv_cu_show(dev);
1265#endif
1266
1267#ifdef DEBUG_BASIC_SHOW
1268 /* Now, let's go for the basic stuff. */
1269 printk(KERN_NOTICE "%s: WaveLAN at %#x, %pM, IRQ %d",
1270 dev->name, ioaddr, dev->dev_addr, dev->irq);
1271
1272 /* Print current network ID. */
1273 if (psa.psa_nwid_select)
1274 printk(", nwid 0x%02X-%02X", psa.psa_nwid[0],
1275 psa.psa_nwid[1]);
1276 else
1277 printk(", nwid off");
1278
1279 /* If 2.00 card */
1280 if (!(mmc_in(ioaddr, mmroff(0, mmr_fee_status)) &
1281 (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY))) {
1282 unsigned short freq;
1283
1284 /* Ask the EEPROM to read the frequency from the first area. */
1285 fee_read(ioaddr, 0x00, &freq, 1);
1286
1287 /* Print frequency */
1288 printk(", 2.00, %ld", (freq >> 6) + 2400L);
1289
1290 /* Hack! */
1291 if (freq & 0x20)
1292 printk(".5");
1293 } else {
1294 printk(", PC");
1295 switch (psa.psa_comp_number) {
1296 case PSA_COMP_PC_AT_915:
1297 case PSA_COMP_PC_AT_2400:
1298 printk("-AT");
1299 break;
1300 case PSA_COMP_PC_MC_915:
1301 case PSA_COMP_PC_MC_2400:
1302 printk("-MC");
1303 break;
1304 case PSA_COMP_PCMCIA_915:
1305 printk("MCIA");
1306 break;
1307 default:
1308 printk("?");
1309 }
1310 printk(", ");
1311 switch (psa.psa_subband) {
1312 case PSA_SUBBAND_915:
1313 printk("915");
1314 break;
1315 case PSA_SUBBAND_2425:
1316 printk("2425");
1317 break;
1318 case PSA_SUBBAND_2460:
1319 printk("2460");
1320 break;
1321 case PSA_SUBBAND_2484:
1322 printk("2484");
1323 break;
1324 case PSA_SUBBAND_2430_5:
1325 printk("2430.5");
1326 break;
1327 default:
1328 printk("?");
1329 }
1330 }
1331
1332 printk(" MHz\n");
1333#endif /* DEBUG_BASIC_SHOW */
1334
1335#ifdef DEBUG_VERSION_SHOW
1336 /* Print version information */
1337 printk(KERN_NOTICE "%s", version);
1338#endif
1339} /* wv_init_info */
1340
1341/********************* IOCTL, STATS & RECONFIG *********************/
1342/*
1343 * We found here routines that are called by Linux on different
1344 * occasions after the configuration and not for transmitting data
1345 * These may be called when the user use ifconfig, /proc/net/dev
1346 * or wireless extensions
1347 */
1348
1349
1350/*------------------------------------------------------------------*/
1351/*
1352 * Set or clear the multicast filter for this adaptor.
1353 * num_addrs == -1 Promiscuous mode, receive all packets
1354 * num_addrs == 0 Normal mode, clear multicast list
1355 * num_addrs > 0 Multicast mode, receive normal and MC packets,
1356 * and do best-effort filtering.
1357 */
1358static void wavelan_set_multicast_list(struct net_device * dev)
1359{
1360 net_local *lp = netdev_priv(dev);
1361
1362#ifdef DEBUG_IOCTL_TRACE
1363 printk(KERN_DEBUG "%s: ->wavelan_set_multicast_list()\n",
1364 dev->name);
1365#endif
1366
1367#ifdef DEBUG_IOCTL_INFO
1368 printk(KERN_DEBUG
1369 "%s: wavelan_set_multicast_list(): setting Rx mode %02X to %d addresses.\n",
1370 dev->name, dev->flags, dev->mc_count);
1371#endif
1372
1373 /* Are we asking for promiscuous mode,
1374 * or all multicast addresses (we don't have that!)
1375 * or too many multicast addresses for the hardware filter? */
1376 if ((dev->flags & IFF_PROMISC) ||
1377 (dev->flags & IFF_ALLMULTI) ||
1378 (dev->mc_count > I82586_MAX_MULTICAST_ADDRESSES)) {
1379 /*
1380 * Enable promiscuous mode: receive all packets.
1381 */
1382 if (!lp->promiscuous) {
1383 lp->promiscuous = 1;
1384 lp->mc_count = 0;
1385
1386 wv_82586_reconfig(dev);
1387 }
1388 } else
1389 /* Are there multicast addresses to send? */
1390 if (dev->mc_list != (struct dev_mc_list *) NULL) {
1391 /*
1392 * Disable promiscuous mode, but receive all packets
1393 * in multicast list
1394 */
1395#ifdef MULTICAST_AVOID
1396 if (lp->promiscuous || (dev->mc_count != lp->mc_count))
1397#endif
1398 {
1399 lp->promiscuous = 0;
1400 lp->mc_count = dev->mc_count;
1401
1402 wv_82586_reconfig(dev);
1403 }
1404 } else {
1405 /*
1406 * Switch to normal mode: disable promiscuous mode and
1407 * clear the multicast list.
1408 */
1409 if (lp->promiscuous || lp->mc_count == 0) {
1410 lp->promiscuous = 0;
1411 lp->mc_count = 0;
1412
1413 wv_82586_reconfig(dev);
1414 }
1415 }
1416#ifdef DEBUG_IOCTL_TRACE
1417 printk(KERN_DEBUG "%s: <-wavelan_set_multicast_list()\n",
1418 dev->name);
1419#endif
1420}
1421
1422/*------------------------------------------------------------------*/
1423/*
1424 * This function doesn't exist.
1425 * (Note : it was a nice way to test the reconfigure stuff...)
1426 */
1427#ifdef SET_MAC_ADDRESS
1428static int wavelan_set_mac_address(struct net_device * dev, void *addr)
1429{
1430 struct sockaddr *mac = addr;
1431
1432 /* Copy the address. */
1433 memcpy(dev->dev_addr, mac->sa_data, WAVELAN_ADDR_SIZE);
1434
1435 /* Reconfigure the beast. */
1436 wv_82586_reconfig(dev);
1437
1438 return 0;
1439}
1440#endif /* SET_MAC_ADDRESS */
1441
1442
1443/*------------------------------------------------------------------*/
1444/*
1445 * Frequency setting (for hardware capable of it)
1446 * It's a bit complicated and you don't really want to look into it.
1447 * (called in wavelan_ioctl)
1448 */
1449static int wv_set_frequency(unsigned long ioaddr, /* I/O port of the card */
1450 iw_freq * frequency)
1451{
1452 const int BAND_NUM = 10; /* Number of bands */
1453 long freq = 0L; /* offset to 2.4 GHz in .5 MHz */
1454#ifdef DEBUG_IOCTL_INFO
1455 int i;
1456#endif
1457
1458 /* Setting by frequency */
1459 /* Theoretically, you may set any frequency between
1460 * the two limits with a 0.5 MHz precision. In practice,
1461 * I don't want you to have trouble with local regulations.
1462 */
1463 if ((frequency->e == 1) &&
1464 (frequency->m >= (int) 2.412e8)
1465 && (frequency->m <= (int) 2.487e8)) {
1466 freq = ((frequency->m / 10000) - 24000L) / 5;
1467 }
1468
1469 /* Setting by channel (same as wfreqsel) */
1470 /* Warning: each channel is 22 MHz wide, so some of the channels
1471 * will interfere. */
1472 if ((frequency->e == 0) && (frequency->m < BAND_NUM)) {
1473 /* Get frequency offset. */
1474 freq = channel_bands[frequency->m] >> 1;
1475 }
1476
1477 /* Verify that the frequency is allowed. */
1478 if (freq != 0L) {
1479 u16 table[10]; /* Authorized frequency table */
1480
1481 /* Read the frequency table. */
1482 fee_read(ioaddr, 0x71, table, 10);
1483
1484#ifdef DEBUG_IOCTL_INFO
1485 printk(KERN_DEBUG "Frequency table: ");
1486 for (i = 0; i < 10; i++) {
1487 printk(" %04X", table[i]);
1488 }
1489 printk("\n");
1490#endif
1491
1492 /* Look in the table to see whether the frequency is allowed. */
1493 if (!(table[9 - ((freq - 24) / 16)] &
1494 (1 << ((freq - 24) % 16)))) return -EINVAL; /* not allowed */
1495 } else
1496 return -EINVAL;
1497
1498 /* if we get a usable frequency */
1499 if (freq != 0L) {
1500 unsigned short area[16];
1501 unsigned short dac[2];
1502 unsigned short area_verify[16];
1503 unsigned short dac_verify[2];
1504 /* Corresponding gain (in the power adjust value table)
1505 * See AT&T WaveLAN Data Manual, REF 407-024689/E, page 3-8
1506 * and WCIN062D.DOC, page 6.2.9. */
1507 unsigned short power_limit[] = { 40, 80, 120, 160, 0 };
1508 int power_band = 0; /* Selected band */
1509 unsigned short power_adjust; /* Correct value */
1510
1511 /* Search for the gain. */
1512 power_band = 0;
1513 while ((freq > power_limit[power_band]) &&
1514 (power_limit[++power_band] != 0));
1515
1516 /* Read the first area. */
1517 fee_read(ioaddr, 0x00, area, 16);
1518
1519 /* Read the DAC. */
1520 fee_read(ioaddr, 0x60, dac, 2);
1521
1522 /* Read the new power adjust value. */
1523 fee_read(ioaddr, 0x6B - (power_band >> 1), &power_adjust,
1524 1);
1525 if (power_band & 0x1)
1526 power_adjust >>= 8;
1527 else
1528 power_adjust &= 0xFF;
1529
1530#ifdef DEBUG_IOCTL_INFO
1531 printk(KERN_DEBUG "WaveLAN EEPROM Area 1: ");
1532 for (i = 0; i < 16; i++) {
1533 printk(" %04X", area[i]);
1534 }
1535 printk("\n");
1536
1537 printk(KERN_DEBUG "WaveLAN EEPROM DAC: %04X %04X\n",
1538 dac[0], dac[1]);
1539#endif
1540
1541 /* Frequency offset (for info only) */
1542 area[0] = ((freq << 5) & 0xFFE0) | (area[0] & 0x1F);
1543
1544 /* Receiver Principle main divider coefficient */
1545 area[3] = (freq >> 1) + 2400L - 352L;
1546 area[2] = ((freq & 0x1) << 4) | (area[2] & 0xFFEF);
1547
1548 /* Transmitter Main divider coefficient */
1549 area[13] = (freq >> 1) + 2400L;
1550 area[12] = ((freq & 0x1) << 4) | (area[2] & 0xFFEF);
1551
1552 /* Other parts of the area are flags, bit streams or unused. */
1553
1554 /* Set the value in the DAC. */
1555 dac[1] = ((power_adjust >> 1) & 0x7F) | (dac[1] & 0xFF80);
1556 dac[0] = ((power_adjust & 0x1) << 4) | (dac[0] & 0xFFEF);
1557
1558 /* Write the first area. */
1559 fee_write(ioaddr, 0x00, area, 16);
1560
1561 /* Write the DAC. */
1562 fee_write(ioaddr, 0x60, dac, 2);
1563
1564 /* We now should verify here that the writing of the EEPROM went OK. */
1565
1566 /* Reread the first area. */
1567 fee_read(ioaddr, 0x00, area_verify, 16);
1568
1569 /* Reread the DAC. */
1570 fee_read(ioaddr, 0x60, dac_verify, 2);
1571
1572 /* Compare. */
1573 if (memcmp(area, area_verify, 16 * 2) ||
1574 memcmp(dac, dac_verify, 2 * 2)) {
1575#ifdef DEBUG_IOCTL_ERROR
1576 printk(KERN_INFO
1577 "WaveLAN: wv_set_frequency: unable to write new frequency to EEPROM(?).\n");
1578#endif
1579 return -EOPNOTSUPP;
1580 }
1581
1582 /* We must download the frequency parameters to the
1583 * synthesizers (from the EEPROM - area 1)
1584 * Note: as the EEPROM is automatically decremented, we set the end
1585 * if the area... */
1586 mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), 0x0F);
1587 mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl),
1588 MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD);
1589
1590 /* Wait until the download is finished. */
1591 fee_wait(ioaddr, 100, 100);
1592
1593 /* We must now download the power adjust value (gain) to
1594 * the synthesizers (from the EEPROM - area 7 - DAC). */
1595 mmc_out(ioaddr, mmwoff(0, mmw_fee_addr), 0x61);
1596 mmc_out(ioaddr, mmwoff(0, mmw_fee_ctrl),
1597 MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD);
1598
1599 /* Wait for the download to finish. */
1600 fee_wait(ioaddr, 100, 100);
1601
1602#ifdef DEBUG_IOCTL_INFO
1603 /* Verification of what we have done */
1604
1605 printk(KERN_DEBUG "WaveLAN EEPROM Area 1: ");
1606 for (i = 0; i < 16; i++) {
1607 printk(" %04X", area_verify[i]);
1608 }
1609 printk("\n");
1610
1611 printk(KERN_DEBUG "WaveLAN EEPROM DAC: %04X %04X\n",
1612 dac_verify[0], dac_verify[1]);
1613#endif
1614
1615 return 0;
1616 } else
1617 return -EINVAL; /* Bah, never get there... */
1618}
1619
1620/*------------------------------------------------------------------*/
1621/*
1622 * Give the list of available frequencies.
1623 */
1624static int wv_frequency_list(unsigned long ioaddr, /* I/O port of the card */
1625 iw_freq * list, /* List of frequencies to fill */
1626 int max)
1627{ /* Maximum number of frequencies */
1628 u16 table[10]; /* Authorized frequency table */
1629 long freq = 0L; /* offset to 2.4 GHz in .5 MHz + 12 MHz */
1630 int i; /* index in the table */
1631 int c = 0; /* Channel number */
1632
1633 /* Read the frequency table. */
1634 fee_read(ioaddr, 0x71 /* frequency table */ , table, 10);
1635
1636 /* Check all frequencies. */
1637 i = 0;
1638 for (freq = 0; freq < 150; freq++)
1639 /* Look in the table if the frequency is allowed */
1640 if (table[9 - (freq / 16)] & (1 << (freq % 16))) {
1641 /* Compute approximate channel number */
1642 while ((c < ARRAY_SIZE(channel_bands)) &&
1643 (((channel_bands[c] >> 1) - 24) < freq))
1644 c++;
1645 list[i].i = c; /* Set the list index */
1646
1647 /* put in the list */
1648 list[i].m = (((freq + 24) * 5) + 24000L) * 10000;
1649 list[i++].e = 1;
1650
1651 /* Check number. */
1652 if (i >= max)
1653 return (i);
1654 }
1655
1656 return (i);
1657}
1658
1659#ifdef IW_WIRELESS_SPY
1660/*------------------------------------------------------------------*/
1661/*
1662 * Gather wireless spy statistics: for each packet, compare the source
1663 * address with our list, and if they match, get the statistics.
1664 * Sorry, but this function really needs the wireless extensions.
1665 */
1666static inline void wl_spy_gather(struct net_device * dev,
1667 u8 * mac, /* MAC address */
1668 u8 * stats) /* Statistics to gather */
1669{
1670 struct iw_quality wstats;
1671
1672 wstats.qual = stats[2] & MMR_SGNL_QUAL;
1673 wstats.level = stats[0] & MMR_SIGNAL_LVL;
1674 wstats.noise = stats[1] & MMR_SILENCE_LVL;
1675 wstats.updated = 0x7;
1676
1677 /* Update spy records */
1678 wireless_spy_update(dev, mac, &wstats);
1679}
1680#endif /* IW_WIRELESS_SPY */
1681
1682#ifdef HISTOGRAM
1683/*------------------------------------------------------------------*/
1684/*
1685 * This function calculates a histogram of the signal level.
1686 * As the noise is quite constant, it's like doing it on the SNR.
1687 * We have defined a set of interval (lp->his_range), and each time
1688 * the level goes in that interval, we increment the count (lp->his_sum).
1689 * With this histogram you may detect if one WaveLAN is really weak,
1690 * or you may also calculate the mean and standard deviation of the level.
1691 */
1692static inline void wl_his_gather(struct net_device * dev, u8 * stats)
1693{ /* Statistics to gather */
1694 net_local *lp = netdev_priv(dev);
1695 u8 level = stats[0] & MMR_SIGNAL_LVL;
1696 int i;
1697
1698 /* Find the correct interval. */
1699 i = 0;
1700 while ((i < (lp->his_number - 1))
1701 && (level >= lp->his_range[i++]));
1702
1703 /* Increment interval counter. */
1704 (lp->his_sum[i])++;
1705}
1706#endif /* HISTOGRAM */
1707
1708/*------------------------------------------------------------------*/
1709/*
1710 * Wireless Handler : get protocol name
1711 */
1712static int wavelan_get_name(struct net_device *dev,
1713 struct iw_request_info *info,
1714 union iwreq_data *wrqu,
1715 char *extra)
1716{
1717 strcpy(wrqu->name, "WaveLAN");
1718 return 0;
1719}
1720
1721/*------------------------------------------------------------------*/
1722/*
1723 * Wireless Handler : set NWID
1724 */
1725static int wavelan_set_nwid(struct net_device *dev,
1726 struct iw_request_info *info,
1727 union iwreq_data *wrqu,
1728 char *extra)
1729{
1730 unsigned long ioaddr = dev->base_addr;
1731 net_local *lp = netdev_priv(dev); /* lp is not unused */
1732 psa_t psa;
1733 mm_t m;
1734 unsigned long flags;
1735 int ret = 0;
1736
1737 /* Disable interrupts and save flags. */
1738 spin_lock_irqsave(&lp->spinlock, flags);
1739
1740 /* Set NWID in WaveLAN. */
1741 if (!wrqu->nwid.disabled) {
1742 /* Set NWID in psa */
1743 psa.psa_nwid[0] = (wrqu->nwid.value & 0xFF00) >> 8;
1744 psa.psa_nwid[1] = wrqu->nwid.value & 0xFF;
1745 psa.psa_nwid_select = 0x01;
1746 psa_write(ioaddr, lp->hacr,
1747 (char *) psa.psa_nwid - (char *) &psa,
1748 (unsigned char *) psa.psa_nwid, 3);
1749
1750 /* Set NWID in mmc. */
1751 m.w.mmw_netw_id_l = psa.psa_nwid[1];
1752 m.w.mmw_netw_id_h = psa.psa_nwid[0];
1753 mmc_write(ioaddr,
1754 (char *) &m.w.mmw_netw_id_l -
1755 (char *) &m,
1756 (unsigned char *) &m.w.mmw_netw_id_l, 2);
1757 mmc_out(ioaddr, mmwoff(0, mmw_loopt_sel), 0x00);
1758 } else {
1759 /* Disable NWID in the psa. */
1760 psa.psa_nwid_select = 0x00;
1761 psa_write(ioaddr, lp->hacr,
1762 (char *) &psa.psa_nwid_select -
1763 (char *) &psa,
1764 (unsigned char *) &psa.psa_nwid_select,
1765 1);
1766
1767 /* Disable NWID in the mmc (no filtering). */
1768 mmc_out(ioaddr, mmwoff(0, mmw_loopt_sel),
1769 MMW_LOOPT_SEL_DIS_NWID);
1770 }
1771 /* update the Wavelan checksum */
1772 update_psa_checksum(dev, ioaddr, lp->hacr);
1773
1774 /* Enable interrupts and restore flags. */
1775 spin_unlock_irqrestore(&lp->spinlock, flags);
1776
1777 return ret;
1778}
1779
1780/*------------------------------------------------------------------*/
1781/*
1782 * Wireless Handler : get NWID
1783 */
1784static int wavelan_get_nwid(struct net_device *dev,
1785 struct iw_request_info *info,
1786 union iwreq_data *wrqu,
1787 char *extra)
1788{
1789 unsigned long ioaddr = dev->base_addr;
1790 net_local *lp = netdev_priv(dev); /* lp is not unused */
1791 psa_t psa;
1792 unsigned long flags;
1793 int ret = 0;
1794
1795 /* Disable interrupts and save flags. */
1796 spin_lock_irqsave(&lp->spinlock, flags);
1797
1798 /* Read the NWID. */
1799 psa_read(ioaddr, lp->hacr,
1800 (char *) psa.psa_nwid - (char *) &psa,
1801 (unsigned char *) psa.psa_nwid, 3);
1802 wrqu->nwid.value = (psa.psa_nwid[0] << 8) + psa.psa_nwid[1];
1803 wrqu->nwid.disabled = !(psa.psa_nwid_select);
1804 wrqu->nwid.fixed = 1; /* Superfluous */
1805
1806 /* Enable interrupts and restore flags. */
1807 spin_unlock_irqrestore(&lp->spinlock, flags);
1808
1809 return ret;
1810}
1811
1812/*------------------------------------------------------------------*/
1813/*
1814 * Wireless Handler : set frequency
1815 */
1816static int wavelan_set_freq(struct net_device *dev,
1817 struct iw_request_info *info,
1818 union iwreq_data *wrqu,
1819 char *extra)
1820{
1821 unsigned long ioaddr = dev->base_addr;
1822 net_local *lp = netdev_priv(dev); /* lp is not unused */
1823 unsigned long flags;
1824 int ret;
1825
1826 /* Disable interrupts and save flags. */
1827 spin_lock_irqsave(&lp->spinlock, flags);
1828
1829 /* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable). */
1830 if (!(mmc_in(ioaddr, mmroff(0, mmr_fee_status)) &
1831 (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY)))
1832 ret = wv_set_frequency(ioaddr, &(wrqu->freq));
1833 else
1834 ret = -EOPNOTSUPP;
1835
1836 /* Enable interrupts and restore flags. */
1837 spin_unlock_irqrestore(&lp->spinlock, flags);
1838
1839 return ret;
1840}
1841
1842/*------------------------------------------------------------------*/
1843/*
1844 * Wireless Handler : get frequency
1845 */
1846static int wavelan_get_freq(struct net_device *dev,
1847 struct iw_request_info *info,
1848 union iwreq_data *wrqu,
1849 char *extra)
1850{
1851 unsigned long ioaddr = dev->base_addr;
1852 net_local *lp = netdev_priv(dev); /* lp is not unused */
1853 psa_t psa;
1854 unsigned long flags;
1855 int ret = 0;
1856
1857 /* Disable interrupts and save flags. */
1858 spin_lock_irqsave(&lp->spinlock, flags);
1859
1860 /* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable).
1861 * Does it work for everybody, especially old cards? */
1862 if (!(mmc_in(ioaddr, mmroff(0, mmr_fee_status)) &
1863 (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY))) {
1864 unsigned short freq;
1865
1866 /* Ask the EEPROM to read the frequency from the first area. */
1867 fee_read(ioaddr, 0x00, &freq, 1);
1868 wrqu->freq.m = ((freq >> 5) * 5 + 24000L) * 10000;
1869 wrqu->freq.e = 1;
1870 } else {
1871 psa_read(ioaddr, lp->hacr,
1872 (char *) &psa.psa_subband - (char *) &psa,
1873 (unsigned char *) &psa.psa_subband, 1);
1874
1875 if (psa.psa_subband <= 4) {
1876 wrqu->freq.m = fixed_bands[psa.psa_subband];
1877 wrqu->freq.e = (psa.psa_subband != 0);
1878 } else
1879 ret = -EOPNOTSUPP;
1880 }
1881
1882 /* Enable interrupts and restore flags. */
1883 spin_unlock_irqrestore(&lp->spinlock, flags);
1884
1885 return ret;
1886}
1887
1888/*------------------------------------------------------------------*/
1889/*
1890 * Wireless Handler : set level threshold
1891 */
1892static int wavelan_set_sens(struct net_device *dev,
1893 struct iw_request_info *info,
1894 union iwreq_data *wrqu,
1895 char *extra)
1896{
1897 unsigned long ioaddr = dev->base_addr;
1898 net_local *lp = netdev_priv(dev); /* lp is not unused */
1899 psa_t psa;
1900 unsigned long flags;
1901 int ret = 0;
1902
1903 /* Disable interrupts and save flags. */
1904 spin_lock_irqsave(&lp->spinlock, flags);
1905
1906 /* Set the level threshold. */
1907 /* We should complain loudly if wrqu->sens.fixed = 0, because we
1908 * can't set auto mode... */
1909 psa.psa_thr_pre_set = wrqu->sens.value & 0x3F;
1910 psa_write(ioaddr, lp->hacr,
1911 (char *) &psa.psa_thr_pre_set - (char *) &psa,
1912 (unsigned char *) &psa.psa_thr_pre_set, 1);
1913 /* update the Wavelan checksum */
1914 update_psa_checksum(dev, ioaddr, lp->hacr);
1915 mmc_out(ioaddr, mmwoff(0, mmw_thr_pre_set),
1916 psa.psa_thr_pre_set);
1917
1918 /* Enable interrupts and restore flags. */
1919 spin_unlock_irqrestore(&lp->spinlock, flags);
1920
1921 return ret;
1922}
1923
1924/*------------------------------------------------------------------*/
1925/*
1926 * Wireless Handler : get level threshold
1927 */
1928static int wavelan_get_sens(struct net_device *dev,
1929 struct iw_request_info *info,
1930 union iwreq_data *wrqu,
1931 char *extra)
1932{
1933 unsigned long ioaddr = dev->base_addr;
1934 net_local *lp = netdev_priv(dev); /* lp is not unused */
1935 psa_t psa;
1936 unsigned long flags;
1937 int ret = 0;
1938
1939 /* Disable interrupts and save flags. */
1940 spin_lock_irqsave(&lp->spinlock, flags);
1941
1942 /* Read the level threshold. */
1943 psa_read(ioaddr, lp->hacr,
1944 (char *) &psa.psa_thr_pre_set - (char *) &psa,
1945 (unsigned char *) &psa.psa_thr_pre_set, 1);
1946 wrqu->sens.value = psa.psa_thr_pre_set & 0x3F;
1947 wrqu->sens.fixed = 1;
1948
1949 /* Enable interrupts and restore flags. */
1950 spin_unlock_irqrestore(&lp->spinlock, flags);
1951
1952 return ret;
1953}
1954
1955/*------------------------------------------------------------------*/
1956/*
1957 * Wireless Handler : set encryption key
1958 */
1959static int wavelan_set_encode(struct net_device *dev,
1960 struct iw_request_info *info,
1961 union iwreq_data *wrqu,
1962 char *extra)
1963{
1964 unsigned long ioaddr = dev->base_addr;
1965 net_local *lp = netdev_priv(dev); /* lp is not unused */
1966 unsigned long flags;
1967 psa_t psa;
1968 int ret = 0;
1969
1970 /* Disable interrupts and save flags. */
1971 spin_lock_irqsave(&lp->spinlock, flags);
1972
1973 /* Check if capable of encryption */
1974 if (!mmc_encr(ioaddr)) {
1975 ret = -EOPNOTSUPP;
1976 }
1977
1978 /* Check the size of the key */
1979 if((wrqu->encoding.length != 8) && (wrqu->encoding.length != 0)) {
1980 ret = -EINVAL;
1981 }
1982
1983 if(!ret) {
1984 /* Basic checking... */
1985 if (wrqu->encoding.length == 8) {
1986 /* Copy the key in the driver */
1987 memcpy(psa.psa_encryption_key, extra,
1988 wrqu->encoding.length);
1989 psa.psa_encryption_select = 1;
1990
1991 psa_write(ioaddr, lp->hacr,
1992 (char *) &psa.psa_encryption_select -
1993 (char *) &psa,
1994 (unsigned char *) &psa.
1995 psa_encryption_select, 8 + 1);
1996
1997 mmc_out(ioaddr, mmwoff(0, mmw_encr_enable),
1998 MMW_ENCR_ENABLE_EN | MMW_ENCR_ENABLE_MODE);
1999 mmc_write(ioaddr, mmwoff(0, mmw_encr_key),
2000 (unsigned char *) &psa.
2001 psa_encryption_key, 8);
2002 }
2003
2004 /* disable encryption */
2005 if (wrqu->encoding.flags & IW_ENCODE_DISABLED) {
2006 psa.psa_encryption_select = 0;
2007 psa_write(ioaddr, lp->hacr,
2008 (char *) &psa.psa_encryption_select -
2009 (char *) &psa,
2010 (unsigned char *) &psa.
2011 psa_encryption_select, 1);
2012
2013 mmc_out(ioaddr, mmwoff(0, mmw_encr_enable), 0);
2014 }
2015 /* update the Wavelan checksum */
2016 update_psa_checksum(dev, ioaddr, lp->hacr);
2017 }
2018
2019 /* Enable interrupts and restore flags. */
2020 spin_unlock_irqrestore(&lp->spinlock, flags);
2021
2022 return ret;
2023}
2024
2025/*------------------------------------------------------------------*/
2026/*
2027 * Wireless Handler : get encryption key
2028 */
2029static int wavelan_get_encode(struct net_device *dev,
2030 struct iw_request_info *info,
2031 union iwreq_data *wrqu,
2032 char *extra)
2033{
2034 unsigned long ioaddr = dev->base_addr;
2035 net_local *lp = netdev_priv(dev); /* lp is not unused */
2036 psa_t psa;
2037 unsigned long flags;
2038 int ret = 0;
2039
2040 /* Disable interrupts and save flags. */
2041 spin_lock_irqsave(&lp->spinlock, flags);
2042
2043 /* Check if encryption is available */
2044 if (!mmc_encr(ioaddr)) {
2045 ret = -EOPNOTSUPP;
2046 } else {
2047 /* Read the encryption key */
2048 psa_read(ioaddr, lp->hacr,
2049 (char *) &psa.psa_encryption_select -
2050 (char *) &psa,
2051 (unsigned char *) &psa.
2052 psa_encryption_select, 1 + 8);
2053
2054 /* encryption is enabled ? */
2055 if (psa.psa_encryption_select)
2056 wrqu->encoding.flags = IW_ENCODE_ENABLED;
2057 else
2058 wrqu->encoding.flags = IW_ENCODE_DISABLED;
2059 wrqu->encoding.flags |= mmc_encr(ioaddr);
2060
2061 /* Copy the key to the user buffer */
2062 wrqu->encoding.length = 8;
2063 memcpy(extra, psa.psa_encryption_key, wrqu->encoding.length);
2064 }
2065
2066 /* Enable interrupts and restore flags. */
2067 spin_unlock_irqrestore(&lp->spinlock, flags);
2068
2069 return ret;
2070}
2071
2072/*------------------------------------------------------------------*/
2073/*
2074 * Wireless Handler : get range info
2075 */
2076static int wavelan_get_range(struct net_device *dev,
2077 struct iw_request_info *info,
2078 union iwreq_data *wrqu,
2079 char *extra)
2080{
2081 unsigned long ioaddr = dev->base_addr;
2082 net_local *lp = netdev_priv(dev); /* lp is not unused */
2083 struct iw_range *range = (struct iw_range *) extra;
2084 unsigned long flags;
2085 int ret = 0;
2086
2087 /* Set the length (very important for backward compatibility) */
2088 wrqu->data.length = sizeof(struct iw_range);
2089
2090 /* Set all the info we don't care or don't know about to zero */
2091 memset(range, 0, sizeof(struct iw_range));
2092
2093 /* Set the Wireless Extension versions */
2094 range->we_version_compiled = WIRELESS_EXT;
2095 range->we_version_source = 9;
2096
2097 /* Set information in the range struct. */
2098 range->throughput = 1.6 * 1000 * 1000; /* don't argue on this ! */
2099 range->min_nwid = 0x0000;
2100 range->max_nwid = 0xFFFF;
2101
2102 range->sensitivity = 0x3F;
2103 range->max_qual.qual = MMR_SGNL_QUAL;
2104 range->max_qual.level = MMR_SIGNAL_LVL;
2105 range->max_qual.noise = MMR_SILENCE_LVL;
2106 range->avg_qual.qual = MMR_SGNL_QUAL; /* Always max */
2107 /* Need to get better values for those two */
2108 range->avg_qual.level = 30;
2109 range->avg_qual.noise = 8;
2110
2111 range->num_bitrates = 1;
2112 range->bitrate[0] = 2000000; /* 2 Mb/s */
2113
2114 /* Event capability (kernel + driver) */
2115 range->event_capa[0] = (IW_EVENT_CAPA_MASK(0x8B02) |
2116 IW_EVENT_CAPA_MASK(0x8B04));
2117 range->event_capa[1] = IW_EVENT_CAPA_K_1;
2118
2119 /* Disable interrupts and save flags. */
2120 spin_lock_irqsave(&lp->spinlock, flags);
2121
2122 /* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable). */
2123 if (!(mmc_in(ioaddr, mmroff(0, mmr_fee_status)) &
2124 (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY))) {
2125 range->num_channels = 10;
2126 range->num_frequency = wv_frequency_list(ioaddr, range->freq,
2127 IW_MAX_FREQUENCIES);
2128 } else
2129 range->num_channels = range->num_frequency = 0;
2130
2131 /* Encryption supported ? */
2132 if (mmc_encr(ioaddr)) {
2133 range->encoding_size[0] = 8; /* DES = 64 bits key */
2134 range->num_encoding_sizes = 1;
2135 range->max_encoding_tokens = 1; /* Only one key possible */
2136 } else {
2137 range->num_encoding_sizes = 0;
2138 range->max_encoding_tokens = 0;
2139 }
2140
2141 /* Enable interrupts and restore flags. */
2142 spin_unlock_irqrestore(&lp->spinlock, flags);
2143
2144 return ret;
2145}
2146
2147/*------------------------------------------------------------------*/
2148/*
2149 * Wireless Private Handler : set quality threshold
2150 */
2151static int wavelan_set_qthr(struct net_device *dev,
2152 struct iw_request_info *info,
2153 union iwreq_data *wrqu,
2154 char *extra)
2155{
2156 unsigned long ioaddr = dev->base_addr;
2157 net_local *lp = netdev_priv(dev); /* lp is not unused */
2158 psa_t psa;
2159 unsigned long flags;
2160
2161 /* Disable interrupts and save flags. */
2162 spin_lock_irqsave(&lp->spinlock, flags);
2163
2164 psa.psa_quality_thr = *(extra) & 0x0F;
2165 psa_write(ioaddr, lp->hacr,
2166 (char *) &psa.psa_quality_thr - (char *) &psa,
2167 (unsigned char *) &psa.psa_quality_thr, 1);
2168 /* update the Wavelan checksum */
2169 update_psa_checksum(dev, ioaddr, lp->hacr);
2170 mmc_out(ioaddr, mmwoff(0, mmw_quality_thr),
2171 psa.psa_quality_thr);
2172
2173 /* Enable interrupts and restore flags. */
2174 spin_unlock_irqrestore(&lp->spinlock, flags);
2175
2176 return 0;
2177}
2178
2179/*------------------------------------------------------------------*/
2180/*
2181 * Wireless Private Handler : get quality threshold
2182 */
2183static int wavelan_get_qthr(struct net_device *dev,
2184 struct iw_request_info *info,
2185 union iwreq_data *wrqu,
2186 char *extra)
2187{
2188 unsigned long ioaddr = dev->base_addr;
2189 net_local *lp = netdev_priv(dev); /* lp is not unused */
2190 psa_t psa;
2191 unsigned long flags;
2192
2193 /* Disable interrupts and save flags. */
2194 spin_lock_irqsave(&lp->spinlock, flags);
2195
2196 psa_read(ioaddr, lp->hacr,
2197 (char *) &psa.psa_quality_thr - (char *) &psa,
2198 (unsigned char *) &psa.psa_quality_thr, 1);
2199 *(extra) = psa.psa_quality_thr & 0x0F;
2200
2201 /* Enable interrupts and restore flags. */
2202 spin_unlock_irqrestore(&lp->spinlock, flags);
2203
2204 return 0;
2205}
2206
2207#ifdef HISTOGRAM
2208/*------------------------------------------------------------------*/
2209/*
2210 * Wireless Private Handler : set histogram
2211 */
2212static int wavelan_set_histo(struct net_device *dev,
2213 struct iw_request_info *info,
2214 union iwreq_data *wrqu,
2215 char *extra)
2216{
2217 net_local *lp = netdev_priv(dev); /* lp is not unused */
2218
2219 /* Check the number of intervals. */
2220 if (wrqu->data.length > 16) {
2221 return(-E2BIG);
2222 }
2223
2224 /* Disable histo while we copy the addresses.
2225 * As we don't disable interrupts, we need to do this */
2226 lp->his_number = 0;
2227
2228 /* Are there ranges to copy? */
2229 if (wrqu->data.length > 0) {
2230 /* Copy interval ranges to the driver */
2231 memcpy(lp->his_range, extra, wrqu->data.length);
2232
2233 {
2234 int i;
2235 printk(KERN_DEBUG "Histo :");
2236 for(i = 0; i < wrqu->data.length; i++)
2237 printk(" %d", lp->his_range[i]);
2238 printk("\n");
2239 }
2240
2241 /* Reset result structure. */
2242 memset(lp->his_sum, 0x00, sizeof(long) * 16);
2243 }
2244
2245 /* Now we can set the number of ranges */
2246 lp->his_number = wrqu->data.length;
2247
2248 return(0);
2249}
2250
2251/*------------------------------------------------------------------*/
2252/*
2253 * Wireless Private Handler : get histogram
2254 */
2255static int wavelan_get_histo(struct net_device *dev,
2256 struct iw_request_info *info,
2257 union iwreq_data *wrqu,
2258 char *extra)
2259{
2260 net_local *lp = netdev_priv(dev); /* lp is not unused */
2261
2262 /* Set the number of intervals. */
2263 wrqu->data.length = lp->his_number;
2264
2265 /* Give back the distribution statistics */
2266 if(lp->his_number > 0)
2267 memcpy(extra, lp->his_sum, sizeof(long) * lp->his_number);
2268
2269 return(0);
2270}
2271#endif /* HISTOGRAM */
2272
2273/*------------------------------------------------------------------*/
2274/*
2275 * Structures to export the Wireless Handlers
2276 */
2277
2278static const iw_handler wavelan_handler[] =
2279{
2280 NULL, /* SIOCSIWNAME */
2281 wavelan_get_name, /* SIOCGIWNAME */
2282 wavelan_set_nwid, /* SIOCSIWNWID */
2283 wavelan_get_nwid, /* SIOCGIWNWID */
2284 wavelan_set_freq, /* SIOCSIWFREQ */
2285 wavelan_get_freq, /* SIOCGIWFREQ */
2286 NULL, /* SIOCSIWMODE */
2287 NULL, /* SIOCGIWMODE */
2288 wavelan_set_sens, /* SIOCSIWSENS */
2289 wavelan_get_sens, /* SIOCGIWSENS */
2290 NULL, /* SIOCSIWRANGE */
2291 wavelan_get_range, /* SIOCGIWRANGE */
2292 NULL, /* SIOCSIWPRIV */
2293 NULL, /* SIOCGIWPRIV */
2294 NULL, /* SIOCSIWSTATS */
2295 NULL, /* SIOCGIWSTATS */
2296 iw_handler_set_spy, /* SIOCSIWSPY */
2297 iw_handler_get_spy, /* SIOCGIWSPY */
2298 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
2299 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
2300 NULL, /* SIOCSIWAP */
2301 NULL, /* SIOCGIWAP */
2302 NULL, /* -- hole -- */
2303 NULL, /* SIOCGIWAPLIST */
2304 NULL, /* -- hole -- */
2305 NULL, /* -- hole -- */
2306 NULL, /* SIOCSIWESSID */
2307 NULL, /* SIOCGIWESSID */
2308 NULL, /* SIOCSIWNICKN */
2309 NULL, /* SIOCGIWNICKN */
2310 NULL, /* -- hole -- */
2311 NULL, /* -- hole -- */
2312 NULL, /* SIOCSIWRATE */
2313 NULL, /* SIOCGIWRATE */
2314 NULL, /* SIOCSIWRTS */
2315 NULL, /* SIOCGIWRTS */
2316 NULL, /* SIOCSIWFRAG */
2317 NULL, /* SIOCGIWFRAG */
2318 NULL, /* SIOCSIWTXPOW */
2319 NULL, /* SIOCGIWTXPOW */
2320 NULL, /* SIOCSIWRETRY */
2321 NULL, /* SIOCGIWRETRY */
2322 /* Bummer ! Why those are only at the end ??? */
2323 wavelan_set_encode, /* SIOCSIWENCODE */
2324 wavelan_get_encode, /* SIOCGIWENCODE */
2325};
2326
2327static const iw_handler wavelan_private_handler[] =
2328{
2329 wavelan_set_qthr, /* SIOCIWFIRSTPRIV */
2330 wavelan_get_qthr, /* SIOCIWFIRSTPRIV + 1 */
2331#ifdef HISTOGRAM
2332 wavelan_set_histo, /* SIOCIWFIRSTPRIV + 2 */
2333 wavelan_get_histo, /* SIOCIWFIRSTPRIV + 3 */
2334#endif /* HISTOGRAM */
2335};
2336
2337static const struct iw_priv_args wavelan_private_args[] = {
2338/*{ cmd, set_args, get_args, name } */
2339 { SIOCSIPQTHR, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0, "setqualthr" },
2340 { SIOCGIPQTHR, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "getqualthr" },
2341 { SIOCSIPHISTO, IW_PRIV_TYPE_BYTE | 16, 0, "sethisto" },
2342 { SIOCGIPHISTO, 0, IW_PRIV_TYPE_INT | 16, "gethisto" },
2343};
2344
2345static const struct iw_handler_def wavelan_handler_def =
2346{
2347 .num_standard = ARRAY_SIZE(wavelan_handler),
2348 .num_private = ARRAY_SIZE(wavelan_private_handler),
2349 .num_private_args = ARRAY_SIZE(wavelan_private_args),
2350 .standard = wavelan_handler,
2351 .private = wavelan_private_handler,
2352 .private_args = wavelan_private_args,
2353 .get_wireless_stats = wavelan_get_wireless_stats,
2354};
2355
2356/*------------------------------------------------------------------*/
2357/*
2358 * Get wireless statistics.
2359 * Called by /proc/net/wireless
2360 */
2361static iw_stats *wavelan_get_wireless_stats(struct net_device * dev)
2362{
2363 unsigned long ioaddr = dev->base_addr;
2364 net_local *lp = netdev_priv(dev);
2365 mmr_t m;
2366 iw_stats *wstats;
2367 unsigned long flags;
2368
2369#ifdef DEBUG_IOCTL_TRACE
2370 printk(KERN_DEBUG "%s: ->wavelan_get_wireless_stats()\n",
2371 dev->name);
2372#endif
2373
2374 /* Check */
2375 if (lp == (net_local *) NULL)
2376 return (iw_stats *) NULL;
2377
2378 /* Disable interrupts and save flags. */
2379 spin_lock_irqsave(&lp->spinlock, flags);
2380
2381 wstats = &lp->wstats;
2382
2383 /* Get data from the mmc. */
2384 mmc_out(ioaddr, mmwoff(0, mmw_freeze), 1);
2385
2386 mmc_read(ioaddr, mmroff(0, mmr_dce_status), &m.mmr_dce_status, 1);
2387 mmc_read(ioaddr, mmroff(0, mmr_wrong_nwid_l), &m.mmr_wrong_nwid_l,
2388 2);
2389 mmc_read(ioaddr, mmroff(0, mmr_thr_pre_set), &m.mmr_thr_pre_set,
2390 4);
2391
2392 mmc_out(ioaddr, mmwoff(0, mmw_freeze), 0);
2393
2394 /* Copy data to wireless stuff. */
2395 wstats->status = m.mmr_dce_status & MMR_DCE_STATUS;
2396 wstats->qual.qual = m.mmr_sgnl_qual & MMR_SGNL_QUAL;
2397 wstats->qual.level = m.mmr_signal_lvl & MMR_SIGNAL_LVL;
2398 wstats->qual.noise = m.mmr_silence_lvl & MMR_SILENCE_LVL;
2399 wstats->qual.updated = (((m. mmr_signal_lvl & MMR_SIGNAL_LVL_VALID) >> 7)
2400 | ((m.mmr_signal_lvl & MMR_SIGNAL_LVL_VALID) >> 6)
2401 | ((m.mmr_silence_lvl & MMR_SILENCE_LVL_VALID) >> 5));
2402 wstats->discard.nwid += (m.mmr_wrong_nwid_h << 8) | m.mmr_wrong_nwid_l;
2403 wstats->discard.code = 0L;
2404 wstats->discard.misc = 0L;
2405
2406 /* Enable interrupts and restore flags. */
2407 spin_unlock_irqrestore(&lp->spinlock, flags);
2408
2409#ifdef DEBUG_IOCTL_TRACE
2410 printk(KERN_DEBUG "%s: <-wavelan_get_wireless_stats()\n",
2411 dev->name);
2412#endif
2413 return &lp->wstats;
2414}
2415
2416/************************* PACKET RECEPTION *************************/
2417/*
2418 * This part deals with receiving the packets.
2419 * The interrupt handler gets an interrupt when a packet has been
2420 * successfully received and calls this part.
2421 */
2422
2423/*------------------------------------------------------------------*/
2424/*
2425 * This routine does the actual copying of data (including the Ethernet
2426 * header structure) from the WaveLAN card to an sk_buff chain that
2427 * will be passed up to the network interface layer. NOTE: we
2428 * currently don't handle trailer protocols (neither does the rest of
2429 * the network interface), so if that is needed, it will (at least in
2430 * part) be added here. The contents of the receive ring buffer are
2431 * copied to a message chain that is then passed to the kernel.
2432 *
2433 * Note: if any errors occur, the packet is "dropped on the floor".
2434 * (called by wv_packet_rcv())
2435 */
2436static void
2437wv_packet_read(struct net_device * dev, u16 buf_off, int sksize)
2438{
2439 net_local *lp = netdev_priv(dev);
2440 unsigned long ioaddr = dev->base_addr;
2441 struct sk_buff *skb;
2442
2443#ifdef DEBUG_RX_TRACE
2444 printk(KERN_DEBUG "%s: ->wv_packet_read(0x%X, %d)\n",
2445 dev->name, buf_off, sksize);
2446#endif
2447
2448 /* Allocate buffer for the data */
2449 if ((skb = dev_alloc_skb(sksize)) == (struct sk_buff *) NULL) {
2450#ifdef DEBUG_RX_ERROR
2451 printk(KERN_INFO
2452 "%s: wv_packet_read(): could not alloc_skb(%d, GFP_ATOMIC).\n",
2453 dev->name, sksize);
2454#endif
2455 dev->stats.rx_dropped++;
2456 return;
2457 }
2458
2459 /* Copy the packet to the buffer. */
2460 obram_read(ioaddr, buf_off, skb_put(skb, sksize), sksize);
2461 skb->protocol = eth_type_trans(skb, dev);
2462
2463#ifdef DEBUG_RX_INFO
2464 wv_packet_info(skb_mac_header(skb), sksize, dev->name,
2465 "wv_packet_read");
2466#endif /* DEBUG_RX_INFO */
2467
2468 /* Statistics-gathering and associated stuff.
2469 * It seem a bit messy with all the define, but it's really
2470 * simple... */
2471 if (
2472#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
2473 (lp->spy_data.spy_number > 0) ||
2474#endif /* IW_WIRELESS_SPY */
2475#ifdef HISTOGRAM
2476 (lp->his_number > 0) ||
2477#endif /* HISTOGRAM */
2478 0) {
2479 u8 stats[3]; /* signal level, noise level, signal quality */
2480
2481 /* Read signal level, silence level and signal quality bytes */
2482 /* Note: in the PCMCIA hardware, these are part of the frame.
2483 * It seems that for the ISA hardware, it's nowhere to be
2484 * found in the frame, so I'm obliged to do this (it has a
2485 * side effect on /proc/net/wireless).
2486 * Any ideas?
2487 */
2488 mmc_out(ioaddr, mmwoff(0, mmw_freeze), 1);
2489 mmc_read(ioaddr, mmroff(0, mmr_signal_lvl), stats, 3);
2490 mmc_out(ioaddr, mmwoff(0, mmw_freeze), 0);
2491
2492#ifdef DEBUG_RX_INFO
2493 printk(KERN_DEBUG
2494 "%s: wv_packet_read(): Signal level %d/63, Silence level %d/63, signal quality %d/16\n",
2495 dev->name, stats[0] & 0x3F, stats[1] & 0x3F,
2496 stats[2] & 0x0F);
2497#endif
2498
2499 /* Spying stuff */
2500#ifdef IW_WIRELESS_SPY
2501 wl_spy_gather(dev, skb_mac_header(skb) + WAVELAN_ADDR_SIZE,
2502 stats);
2503#endif /* IW_WIRELESS_SPY */
2504#ifdef HISTOGRAM
2505 wl_his_gather(dev, stats);
2506#endif /* HISTOGRAM */
2507 }
2508
2509 /*
2510 * Hand the packet to the network module.
2511 */
2512 netif_rx(skb);
2513
2514 /* Keep statistics up to date */
2515 dev->stats.rx_packets++;
2516 dev->stats.rx_bytes += sksize;
2517
2518#ifdef DEBUG_RX_TRACE
2519 printk(KERN_DEBUG "%s: <-wv_packet_read()\n", dev->name);
2520#endif
2521}
2522
2523/*------------------------------------------------------------------*/
2524/*
2525 * Transfer as many packets as we can
2526 * from the device RAM.
2527 * (called in wavelan_interrupt()).
2528 * Note : the spinlock is already grabbed for us.
2529 */
2530static void wv_receive(struct net_device * dev)
2531{
2532 unsigned long ioaddr = dev->base_addr;
2533 net_local *lp = netdev_priv(dev);
2534 fd_t fd;
2535 rbd_t rbd;
2536 int nreaped = 0;
2537
2538#ifdef DEBUG_RX_TRACE
2539 printk(KERN_DEBUG "%s: ->wv_receive()\n", dev->name);
2540#endif
2541
2542 /* Loop on each received packet. */
2543 for (;;) {
2544 obram_read(ioaddr, lp->rx_head, (unsigned char *) &fd,
2545 sizeof(fd));
2546
2547 /* Note about the status :
2548 * It start up to be 0 (the value we set). Then, when the RU
2549 * grab the buffer to prepare for reception, it sets the
2550 * FD_STATUS_B flag. When the RU has finished receiving the
2551 * frame, it clears FD_STATUS_B, set FD_STATUS_C to indicate
2552 * completion and set the other flags to indicate the eventual
2553 * errors. FD_STATUS_OK indicates that the reception was OK.
2554 */
2555
2556 /* If the current frame is not complete, we have reached the end. */
2557 if ((fd.fd_status & FD_STATUS_C) != FD_STATUS_C)
2558 break; /* This is how we exit the loop. */
2559
2560 nreaped++;
2561
2562 /* Check whether frame was correctly received. */
2563 if ((fd.fd_status & FD_STATUS_OK) == FD_STATUS_OK) {
2564 /* Does the frame contain a pointer to the data? Let's check. */
2565 if (fd.fd_rbd_offset != I82586NULL) {
2566 /* Read the receive buffer descriptor */
2567 obram_read(ioaddr, fd.fd_rbd_offset,
2568 (unsigned char *) &rbd,
2569 sizeof(rbd));
2570
2571#ifdef DEBUG_RX_ERROR
2572 if ((rbd.rbd_status & RBD_STATUS_EOF) !=
2573 RBD_STATUS_EOF) printk(KERN_INFO
2574 "%s: wv_receive(): missing EOF flag.\n",
2575 dev->name);
2576
2577 if ((rbd.rbd_status & RBD_STATUS_F) !=
2578 RBD_STATUS_F) printk(KERN_INFO
2579 "%s: wv_receive(): missing F flag.\n",
2580 dev->name);
2581#endif /* DEBUG_RX_ERROR */
2582
2583 /* Read the packet and transmit to Linux */
2584 wv_packet_read(dev, rbd.rbd_bufl,
2585 rbd.
2586 rbd_status &
2587 RBD_STATUS_ACNT);
2588 }
2589#ifdef DEBUG_RX_ERROR
2590 else /* if frame has no data */
2591 printk(KERN_INFO
2592 "%s: wv_receive(): frame has no data.\n",
2593 dev->name);
2594#endif
2595 } else { /* If reception was no successful */
2596
2597 dev->stats.rx_errors++;
2598
2599#ifdef DEBUG_RX_INFO
2600 printk(KERN_DEBUG
2601 "%s: wv_receive(): frame not received successfully (%X).\n",
2602 dev->name, fd.fd_status);
2603#endif
2604
2605#ifdef DEBUG_RX_ERROR
2606 if ((fd.fd_status & FD_STATUS_S6) != 0)
2607 printk(KERN_INFO
2608 "%s: wv_receive(): no EOF flag.\n",
2609 dev->name);
2610#endif
2611
2612 if ((fd.fd_status & FD_STATUS_S7) != 0) {
2613 dev->stats.rx_length_errors++;
2614#ifdef DEBUG_RX_FAIL
2615 printk(KERN_DEBUG
2616 "%s: wv_receive(): frame too short.\n",
2617 dev->name);
2618#endif
2619 }
2620
2621 if ((fd.fd_status & FD_STATUS_S8) != 0) {
2622 dev->stats.rx_over_errors++;
2623#ifdef DEBUG_RX_FAIL
2624 printk(KERN_DEBUG
2625 "%s: wv_receive(): rx DMA overrun.\n",
2626 dev->name);
2627#endif
2628 }
2629
2630 if ((fd.fd_status & FD_STATUS_S9) != 0) {
2631 dev->stats.rx_fifo_errors++;
2632#ifdef DEBUG_RX_FAIL
2633 printk(KERN_DEBUG
2634 "%s: wv_receive(): ran out of resources.\n",
2635 dev->name);
2636#endif
2637 }
2638
2639 if ((fd.fd_status & FD_STATUS_S10) != 0) {
2640 dev->stats.rx_frame_errors++;
2641#ifdef DEBUG_RX_FAIL
2642 printk(KERN_DEBUG
2643 "%s: wv_receive(): alignment error.\n",
2644 dev->name);
2645#endif
2646 }
2647
2648 if ((fd.fd_status & FD_STATUS_S11) != 0) {
2649 dev->stats.rx_crc_errors++;
2650#ifdef DEBUG_RX_FAIL
2651 printk(KERN_DEBUG
2652 "%s: wv_receive(): CRC error.\n",
2653 dev->name);
2654#endif
2655 }
2656 }
2657
2658 fd.fd_status = 0;
2659 obram_write(ioaddr, fdoff(lp->rx_head, fd_status),
2660 (unsigned char *) &fd.fd_status,
2661 sizeof(fd.fd_status));
2662
2663 fd.fd_command = FD_COMMAND_EL;
2664 obram_write(ioaddr, fdoff(lp->rx_head, fd_command),
2665 (unsigned char *) &fd.fd_command,
2666 sizeof(fd.fd_command));
2667
2668 fd.fd_command = 0;
2669 obram_write(ioaddr, fdoff(lp->rx_last, fd_command),
2670 (unsigned char *) &fd.fd_command,
2671 sizeof(fd.fd_command));
2672
2673 lp->rx_last = lp->rx_head;
2674 lp->rx_head = fd.fd_link_offset;
2675 } /* for(;;) -> loop on all frames */
2676
2677#ifdef DEBUG_RX_INFO
2678 if (nreaped > 1)
2679 printk(KERN_DEBUG "%s: wv_receive(): reaped %d\n",
2680 dev->name, nreaped);
2681#endif
2682#ifdef DEBUG_RX_TRACE
2683 printk(KERN_DEBUG "%s: <-wv_receive()\n", dev->name);
2684#endif
2685}
2686
2687/*********************** PACKET TRANSMISSION ***********************/
2688/*
2689 * This part deals with sending packets through the WaveLAN.
2690 *
2691 */
2692
2693/*------------------------------------------------------------------*/
2694/*
2695 * This routine fills in the appropriate registers and memory
2696 * locations on the WaveLAN card and starts the card off on
2697 * the transmit.
2698 *
2699 * The principle:
2700 * Each block contains a transmit command, a NOP command,
2701 * a transmit block descriptor and a buffer.
2702 * The CU read the transmit block which point to the tbd,
2703 * read the tbd and the content of the buffer.
2704 * When it has finish with it, it goes to the next command
2705 * which in our case is the NOP. The NOP points on itself,
2706 * so the CU stop here.
2707 * When we add the next block, we modify the previous nop
2708 * to make it point on the new tx command.
2709 * Simple, isn't it ?
2710 *
2711 * (called in wavelan_packet_xmit())
2712 */
2713static int wv_packet_write(struct net_device * dev, void *buf, short length)
2714{
2715 net_local *lp = netdev_priv(dev);
2716 unsigned long ioaddr = dev->base_addr;
2717 unsigned short txblock;
2718 unsigned short txpred;
2719 unsigned short tx_addr;
2720 unsigned short nop_addr;
2721 unsigned short tbd_addr;
2722 unsigned short buf_addr;
2723 ac_tx_t tx;
2724 ac_nop_t nop;
2725 tbd_t tbd;
2726 int clen = length;
2727 unsigned long flags;
2728
2729#ifdef DEBUG_TX_TRACE
2730 printk(KERN_DEBUG "%s: ->wv_packet_write(%d)\n", dev->name,
2731 length);
2732#endif
2733
2734 spin_lock_irqsave(&lp->spinlock, flags);
2735
2736 /* Check nothing bad has happened */
2737 if (lp->tx_n_in_use == (NTXBLOCKS - 1)) {
2738#ifdef DEBUG_TX_ERROR
2739 printk(KERN_INFO "%s: wv_packet_write(): Tx queue full.\n",
2740 dev->name);
2741#endif
2742 spin_unlock_irqrestore(&lp->spinlock, flags);
2743 return 1;
2744 }
2745
2746 /* Calculate addresses of next block and previous block. */
2747 txblock = lp->tx_first_free;
2748 txpred = txblock - TXBLOCKZ;
2749 if (txpred < OFFSET_CU)
2750 txpred += NTXBLOCKS * TXBLOCKZ;
2751 lp->tx_first_free += TXBLOCKZ;
2752 if (lp->tx_first_free >= OFFSET_CU + NTXBLOCKS * TXBLOCKZ)
2753 lp->tx_first_free -= NTXBLOCKS * TXBLOCKZ;
2754
2755 lp->tx_n_in_use++;
2756
2757 /* Calculate addresses of the different parts of the block. */
2758 tx_addr = txblock;
2759 nop_addr = tx_addr + sizeof(tx);
2760 tbd_addr = nop_addr + sizeof(nop);
2761 buf_addr = tbd_addr + sizeof(tbd);
2762
2763 /*
2764 * Transmit command
2765 */
2766 tx.tx_h.ac_status = 0;
2767 obram_write(ioaddr, toff(ac_tx_t, tx_addr, tx_h.ac_status),
2768 (unsigned char *) &tx.tx_h.ac_status,
2769 sizeof(tx.tx_h.ac_status));
2770
2771 /*
2772 * NOP command
2773 */
2774 nop.nop_h.ac_status = 0;
2775 obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_status),
2776 (unsigned char *) &nop.nop_h.ac_status,
2777 sizeof(nop.nop_h.ac_status));
2778 nop.nop_h.ac_link = nop_addr;
2779 obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_link),
2780 (unsigned char *) &nop.nop_h.ac_link,
2781 sizeof(nop.nop_h.ac_link));
2782
2783 /*
2784 * Transmit buffer descriptor
2785 */
2786 tbd.tbd_status = TBD_STATUS_EOF | (TBD_STATUS_ACNT & clen);
2787 tbd.tbd_next_bd_offset = I82586NULL;
2788 tbd.tbd_bufl = buf_addr;
2789 tbd.tbd_bufh = 0;
2790 obram_write(ioaddr, tbd_addr, (unsigned char *) &tbd, sizeof(tbd));
2791
2792 /*
2793 * Data
2794 */
2795 obram_write(ioaddr, buf_addr, buf, length);
2796
2797 /*
2798 * Overwrite the predecessor NOP link
2799 * so that it points to this txblock.
2800 */
2801 nop_addr = txpred + sizeof(tx);
2802 nop.nop_h.ac_status = 0;
2803 obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_status),
2804 (unsigned char *) &nop.nop_h.ac_status,
2805 sizeof(nop.nop_h.ac_status));
2806 nop.nop_h.ac_link = txblock;
2807 obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_link),
2808 (unsigned char *) &nop.nop_h.ac_link,
2809 sizeof(nop.nop_h.ac_link));
2810
2811 /* Make sure the watchdog will keep quiet for a while */
2812 dev->trans_start = jiffies;
2813
2814 /* Keep stats up to date. */
2815 dev->stats.tx_bytes += length;
2816
2817 if (lp->tx_first_in_use == I82586NULL)
2818 lp->tx_first_in_use = txblock;
2819
2820 if (lp->tx_n_in_use < NTXBLOCKS - 1)
2821 netif_wake_queue(dev);
2822
2823 spin_unlock_irqrestore(&lp->spinlock, flags);
2824
2825#ifdef DEBUG_TX_INFO
2826 wv_packet_info((u8 *) buf, length, dev->name,
2827 "wv_packet_write");
2828#endif /* DEBUG_TX_INFO */
2829
2830#ifdef DEBUG_TX_TRACE
2831 printk(KERN_DEBUG "%s: <-wv_packet_write()\n", dev->name);
2832#endif
2833
2834 return 0;
2835}
2836
2837/*------------------------------------------------------------------*/
2838/*
2839 * This routine is called when we want to send a packet (NET3 callback)
2840 * In this routine, we check if the harware is ready to accept
2841 * the packet. We also prevent reentrance. Then we call the function
2842 * to send the packet.
2843 */
2844static netdev_tx_t wavelan_packet_xmit(struct sk_buff *skb,
2845 struct net_device * dev)
2846{
2847 net_local *lp = netdev_priv(dev);
2848 unsigned long flags;
2849 char data[ETH_ZLEN];
2850
2851#ifdef DEBUG_TX_TRACE
2852 printk(KERN_DEBUG "%s: ->wavelan_packet_xmit(0x%X)\n", dev->name,
2853 (unsigned) skb);
2854#endif
2855
2856 /*
2857 * Block a timer-based transmit from overlapping.
2858 * In other words, prevent reentering this routine.
2859 */
2860 netif_stop_queue(dev);
2861
2862 /* If somebody has asked to reconfigure the controller,
2863 * we can do it now.
2864 */
2865 if (lp->reconfig_82586) {
2866 spin_lock_irqsave(&lp->spinlock, flags);
2867 wv_82586_config(dev);
2868 spin_unlock_irqrestore(&lp->spinlock, flags);
2869 /* Check that we can continue */
2870 if (lp->tx_n_in_use == (NTXBLOCKS - 1))
2871 return NETDEV_TX_BUSY;
2872 }
2873
2874 /* Do we need some padding? */
2875 /* Note : on wireless the propagation time is in the order of 1us,
2876 * and we don't have the Ethernet specific requirement of beeing
2877 * able to detect collisions, therefore in theory we don't really
2878 * need to pad. Jean II */
2879 if (skb->len < ETH_ZLEN) {
2880 memset(data, 0, ETH_ZLEN);
2881 skb_copy_from_linear_data(skb, data, skb->len);
2882 /* Write packet on the card */
2883 if(wv_packet_write(dev, data, ETH_ZLEN))
2884 return NETDEV_TX_BUSY; /* We failed */
2885 }
2886 else if(wv_packet_write(dev, skb->data, skb->len))
2887 return NETDEV_TX_BUSY; /* We failed */
2888
2889
2890 dev_kfree_skb(skb);
2891
2892#ifdef DEBUG_TX_TRACE
2893 printk(KERN_DEBUG "%s: <-wavelan_packet_xmit()\n", dev->name);
2894#endif
2895 return NETDEV_TX_OK;
2896}
2897
2898/*********************** HARDWARE CONFIGURATION ***********************/
2899/*
2900 * This part does the real job of starting and configuring the hardware.
2901 */
2902
2903/*--------------------------------------------------------------------*/
2904/*
2905 * Routine to initialize the Modem Management Controller.
2906 * (called by wv_hw_reset())
2907 */
2908static int wv_mmc_init(struct net_device * dev)
2909{
2910 unsigned long ioaddr = dev->base_addr;
2911 net_local *lp = netdev_priv(dev);
2912 psa_t psa;
2913 mmw_t m;
2914 int configured;
2915
2916#ifdef DEBUG_CONFIG_TRACE
2917 printk(KERN_DEBUG "%s: ->wv_mmc_init()\n", dev->name);
2918#endif
2919
2920 /* Read the parameter storage area. */
2921 psa_read(ioaddr, lp->hacr, 0, (unsigned char *) &psa, sizeof(psa));
2922
2923#ifdef USE_PSA_CONFIG
2924 configured = psa.psa_conf_status & 1;
2925#else
2926 configured = 0;
2927#endif
2928
2929 /* Is the PSA is not configured */
2930 if (!configured) {
2931 /* User will be able to configure NWID later (with iwconfig). */
2932 psa.psa_nwid[0] = 0;
2933 psa.psa_nwid[1] = 0;
2934
2935 /* no NWID checking since NWID is not set */
2936 psa.psa_nwid_select = 0;
2937
2938 /* Disable encryption */
2939 psa.psa_encryption_select = 0;
2940
2941 /* Set to standard values:
2942 * 0x04 for AT,
2943 * 0x01 for MCA,
2944 * 0x04 for PCMCIA and 2.00 card (AT&T 407-024689/E document)
2945 */
2946 if (psa.psa_comp_number & 1)
2947 psa.psa_thr_pre_set = 0x01;
2948 else
2949 psa.psa_thr_pre_set = 0x04;
2950 psa.psa_quality_thr = 0x03;
2951
2952 /* It is configured */
2953 psa.psa_conf_status |= 1;
2954
2955#ifdef USE_PSA_CONFIG
2956 /* Write the psa. */
2957 psa_write(ioaddr, lp->hacr,
2958 (char *) psa.psa_nwid - (char *) &psa,
2959 (unsigned char *) psa.psa_nwid, 4);
2960 psa_write(ioaddr, lp->hacr,
2961 (char *) &psa.psa_thr_pre_set - (char *) &psa,
2962 (unsigned char *) &psa.psa_thr_pre_set, 1);
2963 psa_write(ioaddr, lp->hacr,
2964 (char *) &psa.psa_quality_thr - (char *) &psa,
2965 (unsigned char *) &psa.psa_quality_thr, 1);
2966 psa_write(ioaddr, lp->hacr,
2967 (char *) &psa.psa_conf_status - (char *) &psa,
2968 (unsigned char *) &psa.psa_conf_status, 1);
2969 /* update the Wavelan checksum */
2970 update_psa_checksum(dev, ioaddr, lp->hacr);
2971#endif
2972 }
2973
2974 /* Zero the mmc structure. */
2975 memset(&m, 0x00, sizeof(m));
2976
2977 /* Copy PSA info to the mmc. */
2978 m.mmw_netw_id_l = psa.psa_nwid[1];
2979 m.mmw_netw_id_h = psa.psa_nwid[0];
2980
2981 if (psa.psa_nwid_select & 1)
2982 m.mmw_loopt_sel = 0x00;
2983 else
2984 m.mmw_loopt_sel = MMW_LOOPT_SEL_DIS_NWID;
2985
2986 memcpy(&m.mmw_encr_key, &psa.psa_encryption_key,
2987 sizeof(m.mmw_encr_key));
2988
2989 if (psa.psa_encryption_select)
2990 m.mmw_encr_enable =
2991 MMW_ENCR_ENABLE_EN | MMW_ENCR_ENABLE_MODE;
2992 else
2993 m.mmw_encr_enable = 0;
2994
2995 m.mmw_thr_pre_set = psa.psa_thr_pre_set & 0x3F;
2996 m.mmw_quality_thr = psa.psa_quality_thr & 0x0F;
2997
2998 /*
2999 * Set default modem control parameters.
3000 * See NCR document 407-0024326 Rev. A.
3001 */
3002 m.mmw_jabber_enable = 0x01;
3003 m.mmw_freeze = 0;
3004 m.mmw_anten_sel = MMW_ANTEN_SEL_ALG_EN;
3005 m.mmw_ifs = 0x20;
3006 m.mmw_mod_delay = 0x04;
3007 m.mmw_jam_time = 0x38;
3008
3009 m.mmw_des_io_invert = 0;
3010 m.mmw_decay_prm = 0;
3011 m.mmw_decay_updat_prm = 0;
3012
3013 /* Write all info to MMC. */
3014 mmc_write(ioaddr, 0, (u8 *) & m, sizeof(m));
3015
3016 /* The following code starts the modem of the 2.00 frequency
3017 * selectable cards at power on. It's not strictly needed for the
3018 * following boots.
3019 * The original patch was by Joe Finney for the PCMCIA driver, but
3020 * I've cleaned it up a bit and added documentation.
3021 * Thanks to Loeke Brederveld from Lucent for the info.
3022 */
3023
3024 /* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable)
3025 * Does it work for everybody, especially old cards? */
3026 /* Note: WFREQSEL verifies that it is able to read a sensible
3027 * frequency from EEPROM (address 0x00) and that MMR_FEE_STATUS_ID
3028 * is 0xA (Xilinx version) or 0xB (Ariadne version).
3029 * My test is more crude but does work. */
3030 if (!(mmc_in(ioaddr, mmroff(0, mmr_fee_status)) &
3031 (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY))) {
3032 /* We must download the frequency parameters to the
3033 * synthesizers (from the EEPROM - area 1)
3034 * Note: as the EEPROM is automatically decremented, we set the end
3035 * if the area... */
3036 m.mmw_fee_addr = 0x0F;
3037 m.mmw_fee_ctrl = MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD;
3038 mmc_write(ioaddr, (char *) &m.mmw_fee_ctrl - (char *) &m,
3039 (unsigned char *) &m.mmw_fee_ctrl, 2);
3040
3041 /* Wait until the download is finished. */
3042 fee_wait(ioaddr, 100, 100);
3043
3044#ifdef DEBUG_CONFIG_INFO
3045 /* The frequency was in the last word downloaded. */
3046 mmc_read(ioaddr, (char *) &m.mmw_fee_data_l - (char *) &m,
3047 (unsigned char *) &m.mmw_fee_data_l, 2);
3048
3049 /* Print some info for the user. */
3050 printk(KERN_DEBUG
3051 "%s: WaveLAN 2.00 recognised (frequency select). Current frequency = %ld\n",
3052 dev->name,
3053 ((m.
3054 mmw_fee_data_h << 4) | (m.mmw_fee_data_l >> 4)) *
3055 5 / 2 + 24000L);
3056#endif
3057
3058 /* We must now download the power adjust value (gain) to
3059 * the synthesizers (from the EEPROM - area 7 - DAC). */
3060 m.mmw_fee_addr = 0x61;
3061 m.mmw_fee_ctrl = MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD;
3062 mmc_write(ioaddr, (char *) &m.mmw_fee_ctrl - (char *) &m,
3063 (unsigned char *) &m.mmw_fee_ctrl, 2);
3064
3065 /* Wait until the download is finished. */
3066 }
3067 /* if 2.00 card */
3068#ifdef DEBUG_CONFIG_TRACE
3069 printk(KERN_DEBUG "%s: <-wv_mmc_init()\n", dev->name);
3070#endif
3071 return 0;
3072}
3073
3074/*------------------------------------------------------------------*/
3075/*
3076 * Construct the fd and rbd structures.
3077 * Start the receive unit.
3078 * (called by wv_hw_reset())
3079 */
3080static int wv_ru_start(struct net_device * dev)
3081{
3082 net_local *lp = netdev_priv(dev);
3083 unsigned long ioaddr = dev->base_addr;
3084 u16 scb_cs;
3085 fd_t fd;
3086 rbd_t rbd;
3087 u16 rx;
3088 u16 rx_next;
3089 int i;
3090
3091#ifdef DEBUG_CONFIG_TRACE
3092 printk(KERN_DEBUG "%s: ->wv_ru_start()\n", dev->name);
3093#endif
3094
3095 obram_read(ioaddr, scboff(OFFSET_SCB, scb_status),
3096 (unsigned char *) &scb_cs, sizeof(scb_cs));
3097 if ((scb_cs & SCB_ST_RUS) == SCB_ST_RUS_RDY)
3098 return 0;
3099
3100 lp->rx_head = OFFSET_RU;
3101
3102 for (i = 0, rx = lp->rx_head; i < NRXBLOCKS; i++, rx = rx_next) {
3103 rx_next =
3104 (i == NRXBLOCKS - 1) ? lp->rx_head : rx + RXBLOCKZ;
3105
3106 fd.fd_status = 0;
3107 fd.fd_command = (i == NRXBLOCKS - 1) ? FD_COMMAND_EL : 0;
3108 fd.fd_link_offset = rx_next;
3109 fd.fd_rbd_offset = rx + sizeof(fd);
3110 obram_write(ioaddr, rx, (unsigned char *) &fd, sizeof(fd));
3111
3112 rbd.rbd_status = 0;
3113 rbd.rbd_next_rbd_offset = I82586NULL;
3114 rbd.rbd_bufl = rx + sizeof(fd) + sizeof(rbd);
3115 rbd.rbd_bufh = 0;
3116 rbd.rbd_el_size = RBD_EL | (RBD_SIZE & MAXDATAZ);
3117 obram_write(ioaddr, rx + sizeof(fd),
3118 (unsigned char *) &rbd, sizeof(rbd));
3119
3120 lp->rx_last = rx;
3121 }
3122
3123 obram_write(ioaddr, scboff(OFFSET_SCB, scb_rfa_offset),
3124 (unsigned char *) &lp->rx_head, sizeof(lp->rx_head));
3125
3126 scb_cs = SCB_CMD_RUC_GO;
3127 obram_write(ioaddr, scboff(OFFSET_SCB, scb_command),
3128 (unsigned char *) &scb_cs, sizeof(scb_cs));
3129
3130 set_chan_attn(ioaddr, lp->hacr);
3131
3132 for (i = 1000; i > 0; i--) {
3133 obram_read(ioaddr, scboff(OFFSET_SCB, scb_command),
3134 (unsigned char *) &scb_cs, sizeof(scb_cs));
3135 if (scb_cs == 0)
3136 break;
3137
3138 udelay(10);
3139 }
3140
3141 if (i <= 0) {
3142#ifdef DEBUG_CONFIG_ERROR
3143 printk(KERN_INFO
3144 "%s: wavelan_ru_start(): board not accepting command.\n",
3145 dev->name);
3146#endif
3147 return -1;
3148 }
3149#ifdef DEBUG_CONFIG_TRACE
3150 printk(KERN_DEBUG "%s: <-wv_ru_start()\n", dev->name);
3151#endif
3152 return 0;
3153}
3154
3155/*------------------------------------------------------------------*/
3156/*
3157 * Initialise the transmit blocks.
3158 * Start the command unit executing the NOP
3159 * self-loop of the first transmit block.
3160 *
3161 * Here we create the list of send buffers used to transmit packets
3162 * between the PC and the command unit. For each buffer, we create a
3163 * buffer descriptor (pointing on the buffer), a transmit command
3164 * (pointing to the buffer descriptor) and a NOP command.
3165 * The transmit command is linked to the NOP, and the NOP to itself.
3166 * When we will have finished executing the transmit command, we will
3167 * then loop on the NOP. By releasing the NOP link to a new command,
3168 * we may send another buffer.
3169 *
3170 * (called by wv_hw_reset())
3171 */
3172static int wv_cu_start(struct net_device * dev)
3173{
3174 net_local *lp = netdev_priv(dev);
3175 unsigned long ioaddr = dev->base_addr;
3176 int i;
3177 u16 txblock;
3178 u16 first_nop;
3179 u16 scb_cs;
3180
3181#ifdef DEBUG_CONFIG_TRACE
3182 printk(KERN_DEBUG "%s: ->wv_cu_start()\n", dev->name);
3183#endif
3184
3185 lp->tx_first_free = OFFSET_CU;
3186 lp->tx_first_in_use = I82586NULL;
3187
3188 for (i = 0, txblock = OFFSET_CU;
3189 i < NTXBLOCKS; i++, txblock += TXBLOCKZ) {
3190 ac_tx_t tx;
3191 ac_nop_t nop;
3192 tbd_t tbd;
3193 unsigned short tx_addr;
3194 unsigned short nop_addr;
3195 unsigned short tbd_addr;
3196 unsigned short buf_addr;
3197
3198 tx_addr = txblock;
3199 nop_addr = tx_addr + sizeof(tx);
3200 tbd_addr = nop_addr + sizeof(nop);
3201 buf_addr = tbd_addr + sizeof(tbd);
3202
3203 tx.tx_h.ac_status = 0;
3204 tx.tx_h.ac_command = acmd_transmit | AC_CFLD_I;
3205 tx.tx_h.ac_link = nop_addr;
3206 tx.tx_tbd_offset = tbd_addr;
3207 obram_write(ioaddr, tx_addr, (unsigned char *) &tx,
3208 sizeof(tx));
3209
3210 nop.nop_h.ac_status = 0;
3211 nop.nop_h.ac_command = acmd_nop;
3212 nop.nop_h.ac_link = nop_addr;
3213 obram_write(ioaddr, nop_addr, (unsigned char *) &nop,
3214 sizeof(nop));
3215
3216 tbd.tbd_status = TBD_STATUS_EOF;
3217 tbd.tbd_next_bd_offset = I82586NULL;
3218 tbd.tbd_bufl = buf_addr;
3219 tbd.tbd_bufh = 0;
3220 obram_write(ioaddr, tbd_addr, (unsigned char *) &tbd,
3221 sizeof(tbd));
3222 }
3223
3224 first_nop =
3225 OFFSET_CU + (NTXBLOCKS - 1) * TXBLOCKZ + sizeof(ac_tx_t);
3226 obram_write(ioaddr, scboff(OFFSET_SCB, scb_cbl_offset),
3227 (unsigned char *) &first_nop, sizeof(first_nop));
3228
3229 scb_cs = SCB_CMD_CUC_GO;
3230 obram_write(ioaddr, scboff(OFFSET_SCB, scb_command),
3231 (unsigned char *) &scb_cs, sizeof(scb_cs));
3232
3233 set_chan_attn(ioaddr, lp->hacr);
3234
3235 for (i = 1000; i > 0; i--) {
3236 obram_read(ioaddr, scboff(OFFSET_SCB, scb_command),
3237 (unsigned char *) &scb_cs, sizeof(scb_cs));
3238 if (scb_cs == 0)
3239 break;
3240
3241 udelay(10);
3242 }
3243
3244 if (i <= 0) {
3245#ifdef DEBUG_CONFIG_ERROR
3246 printk(KERN_INFO
3247 "%s: wavelan_cu_start(): board not accepting command.\n",
3248 dev->name);
3249#endif
3250 return -1;
3251 }
3252
3253 lp->tx_n_in_use = 0;
3254 netif_start_queue(dev);
3255#ifdef DEBUG_CONFIG_TRACE
3256 printk(KERN_DEBUG "%s: <-wv_cu_start()\n", dev->name);
3257#endif
3258 return 0;
3259}
3260
3261/*------------------------------------------------------------------*/
3262/*
3263 * This routine does a standard configuration of the WaveLAN
3264 * controller (i82586).
3265 *
3266 * It initialises the scp, iscp and scb structure
3267 * The first two are just pointers to the next.
3268 * The last one is used for basic configuration and for basic
3269 * communication (interrupt status).
3270 *
3271 * (called by wv_hw_reset())
3272 */
3273static int wv_82586_start(struct net_device * dev)
3274{
3275 net_local *lp = netdev_priv(dev);
3276 unsigned long ioaddr = dev->base_addr;
3277 scp_t scp; /* system configuration pointer */
3278 iscp_t iscp; /* intermediate scp */
3279 scb_t scb; /* system control block */
3280 ach_t cb; /* Action command header */
3281 u8 zeroes[512];
3282 int i;
3283
3284#ifdef DEBUG_CONFIG_TRACE
3285 printk(KERN_DEBUG "%s: ->wv_82586_start()\n", dev->name);
3286#endif
3287
3288 /*
3289 * Clear the onboard RAM.
3290 */
3291 memset(&zeroes[0], 0x00, sizeof(zeroes));
3292 for (i = 0; i < I82586_MEMZ; i += sizeof(zeroes))
3293 obram_write(ioaddr, i, &zeroes[0], sizeof(zeroes));
3294
3295 /*
3296 * Construct the command unit structures:
3297 * scp, iscp, scb, cb.
3298 */
3299 memset(&scp, 0x00, sizeof(scp));
3300 scp.scp_sysbus = SCP_SY_16BBUS;
3301 scp.scp_iscpl = OFFSET_ISCP;
3302 obram_write(ioaddr, OFFSET_SCP, (unsigned char *) &scp,
3303 sizeof(scp));
3304
3305 memset(&iscp, 0x00, sizeof(iscp));
3306 iscp.iscp_busy = 1;
3307 iscp.iscp_offset = OFFSET_SCB;
3308 obram_write(ioaddr, OFFSET_ISCP, (unsigned char *) &iscp,
3309 sizeof(iscp));
3310
3311 /* Our first command is to reset the i82586. */
3312 memset(&scb, 0x00, sizeof(scb));
3313 scb.scb_command = SCB_CMD_RESET;
3314 scb.scb_cbl_offset = OFFSET_CU;
3315 scb.scb_rfa_offset = OFFSET_RU;
3316 obram_write(ioaddr, OFFSET_SCB, (unsigned char *) &scb,
3317 sizeof(scb));
3318
3319 set_chan_attn(ioaddr, lp->hacr);
3320
3321 /* Wait for command to finish. */
3322 for (i = 1000; i > 0; i--) {
3323 obram_read(ioaddr, OFFSET_ISCP, (unsigned char *) &iscp,
3324 sizeof(iscp));
3325
3326 if (iscp.iscp_busy == (unsigned short) 0)
3327 break;
3328
3329 udelay(10);
3330 }
3331
3332 if (i <= 0) {
3333#ifdef DEBUG_CONFIG_ERROR
3334 printk(KERN_INFO
3335 "%s: wv_82586_start(): iscp_busy timeout.\n",
3336 dev->name);
3337#endif
3338 return -1;
3339 }
3340
3341 /* Check command completion. */
3342 for (i = 15; i > 0; i--) {
3343 obram_read(ioaddr, OFFSET_SCB, (unsigned char *) &scb,
3344 sizeof(scb));
3345
3346 if (scb.scb_status == (SCB_ST_CX | SCB_ST_CNA))
3347 break;
3348
3349 udelay(10);
3350 }
3351
3352 if (i <= 0) {
3353#ifdef DEBUG_CONFIG_ERROR
3354 printk(KERN_INFO
3355 "%s: wv_82586_start(): status: expected 0x%02x, got 0x%02x.\n",
3356 dev->name, SCB_ST_CX | SCB_ST_CNA, scb.scb_status);
3357#endif
3358 return -1;
3359 }
3360
3361 wv_ack(dev);
3362
3363 /* Set the action command header. */
3364 memset(&cb, 0x00, sizeof(cb));
3365 cb.ac_command = AC_CFLD_EL | (AC_CFLD_CMD & acmd_diagnose);
3366 cb.ac_link = OFFSET_CU;
3367 obram_write(ioaddr, OFFSET_CU, (unsigned char *) &cb, sizeof(cb));
3368
3369 if (wv_synchronous_cmd(dev, "diag()") == -1)
3370 return -1;
3371
3372 obram_read(ioaddr, OFFSET_CU, (unsigned char *) &cb, sizeof(cb));
3373 if (cb.ac_status & AC_SFLD_FAIL) {
3374#ifdef DEBUG_CONFIG_ERROR
3375 printk(KERN_INFO
3376 "%s: wv_82586_start(): i82586 Self Test failed.\n",
3377 dev->name);
3378#endif
3379 return -1;
3380 }
3381#ifdef DEBUG_I82586_SHOW
3382 wv_scb_show(ioaddr);
3383#endif
3384
3385#ifdef DEBUG_CONFIG_TRACE
3386 printk(KERN_DEBUG "%s: <-wv_82586_start()\n", dev->name);
3387#endif
3388 return 0;
3389}
3390
3391/*------------------------------------------------------------------*/
3392/*
3393 * This routine does a standard configuration of the WaveLAN
3394 * controller (i82586).
3395 *
3396 * This routine is a violent hack. We use the first free transmit block
3397 * to make our configuration. In the buffer area, we create the three
3398 * configuration commands (linked). We make the previous NOP point to
3399 * the beginning of the buffer instead of the tx command. After, we go
3400 * as usual to the NOP command.
3401 * Note that only the last command (mc_set) will generate an interrupt.
3402 *
3403 * (called by wv_hw_reset(), wv_82586_reconfig(), wavelan_packet_xmit())
3404 */
3405static void wv_82586_config(struct net_device * dev)
3406{
3407 net_local *lp = netdev_priv(dev);
3408 unsigned long ioaddr = dev->base_addr;
3409 unsigned short txblock;
3410 unsigned short txpred;
3411 unsigned short tx_addr;
3412 unsigned short nop_addr;
3413 unsigned short tbd_addr;
3414 unsigned short cfg_addr;
3415 unsigned short ias_addr;
3416 unsigned short mcs_addr;
3417 ac_tx_t tx;
3418 ac_nop_t nop;
3419 ac_cfg_t cfg; /* Configure action */
3420 ac_ias_t ias; /* IA-setup action */
3421 ac_mcs_t mcs; /* Multicast setup */
3422 struct dev_mc_list *dmi;
3423
3424#ifdef DEBUG_CONFIG_TRACE
3425 printk(KERN_DEBUG "%s: ->wv_82586_config()\n", dev->name);
3426#endif
3427
3428 /* Check nothing bad has happened */
3429 if (lp->tx_n_in_use == (NTXBLOCKS - 1)) {
3430#ifdef DEBUG_CONFIG_ERROR
3431 printk(KERN_INFO "%s: wv_82586_config(): Tx queue full.\n",
3432 dev->name);
3433#endif
3434 return;
3435 }
3436
3437 /* Calculate addresses of next block and previous block. */
3438 txblock = lp->tx_first_free;
3439 txpred = txblock - TXBLOCKZ;
3440 if (txpred < OFFSET_CU)
3441 txpred += NTXBLOCKS * TXBLOCKZ;
3442 lp->tx_first_free += TXBLOCKZ;
3443 if (lp->tx_first_free >= OFFSET_CU + NTXBLOCKS * TXBLOCKZ)
3444 lp->tx_first_free -= NTXBLOCKS * TXBLOCKZ;
3445
3446 lp->tx_n_in_use++;
3447
3448 /* Calculate addresses of the different parts of the block. */
3449 tx_addr = txblock;
3450 nop_addr = tx_addr + sizeof(tx);
3451 tbd_addr = nop_addr + sizeof(nop);
3452 cfg_addr = tbd_addr + sizeof(tbd_t); /* beginning of the buffer */
3453 ias_addr = cfg_addr + sizeof(cfg);
3454 mcs_addr = ias_addr + sizeof(ias);
3455
3456 /*
3457 * Transmit command
3458 */
3459 tx.tx_h.ac_status = 0xFFFF; /* Fake completion value */
3460 obram_write(ioaddr, toff(ac_tx_t, tx_addr, tx_h.ac_status),
3461 (unsigned char *) &tx.tx_h.ac_status,
3462 sizeof(tx.tx_h.ac_status));
3463
3464 /*
3465 * NOP command
3466 */
3467 nop.nop_h.ac_status = 0;
3468 obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_status),
3469 (unsigned char *) &nop.nop_h.ac_status,
3470 sizeof(nop.nop_h.ac_status));
3471 nop.nop_h.ac_link = nop_addr;
3472 obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_link),
3473 (unsigned char *) &nop.nop_h.ac_link,
3474 sizeof(nop.nop_h.ac_link));
3475
3476 /* Create a configure action. */
3477 memset(&cfg, 0x00, sizeof(cfg));
3478
3479 /*
3480 * For Linux we invert AC_CFG_ALOC() so as to conform
3481 * to the way that net packets reach us from above.
3482 * (See also ac_tx_t.)
3483 *
3484 * Updated from Wavelan Manual WCIN085B
3485 */
3486 cfg.cfg_byte_cnt =
3487 AC_CFG_BYTE_CNT(sizeof(ac_cfg_t) - sizeof(ach_t));
3488 cfg.cfg_fifolim = AC_CFG_FIFOLIM(4);
3489 cfg.cfg_byte8 = AC_CFG_SAV_BF(1) | AC_CFG_SRDY(0);
3490 cfg.cfg_byte9 = AC_CFG_ELPBCK(0) |
3491 AC_CFG_ILPBCK(0) |
3492 AC_CFG_PRELEN(AC_CFG_PLEN_2) |
3493 AC_CFG_ALOC(1) | AC_CFG_ADDRLEN(WAVELAN_ADDR_SIZE);
3494 cfg.cfg_byte10 = AC_CFG_BOFMET(1) |
3495 AC_CFG_ACR(6) | AC_CFG_LINPRIO(0);
3496 cfg.cfg_ifs = 0x20;
3497 cfg.cfg_slotl = 0x0C;
3498 cfg.cfg_byte13 = AC_CFG_RETRYNUM(15) | AC_CFG_SLTTMHI(0);
3499 cfg.cfg_byte14 = AC_CFG_FLGPAD(0) |
3500 AC_CFG_BTSTF(0) |
3501 AC_CFG_CRC16(0) |
3502 AC_CFG_NCRC(0) |
3503 AC_CFG_TNCRS(1) |
3504 AC_CFG_MANCH(0) |
3505 AC_CFG_BCDIS(0) | AC_CFG_PRM(lp->promiscuous);
3506 cfg.cfg_byte15 = AC_CFG_ICDS(0) |
3507 AC_CFG_CDTF(0) | AC_CFG_ICSS(0) | AC_CFG_CSTF(0);
3508/*
3509 cfg.cfg_min_frm_len = AC_CFG_MNFRM(64);
3510*/
3511 cfg.cfg_min_frm_len = AC_CFG_MNFRM(8);
3512
3513 cfg.cfg_h.ac_command = (AC_CFLD_CMD & acmd_configure);
3514 cfg.cfg_h.ac_link = ias_addr;
3515 obram_write(ioaddr, cfg_addr, (unsigned char *) &cfg, sizeof(cfg));
3516
3517 /* Set up the MAC address */
3518 memset(&ias, 0x00, sizeof(ias));
3519 ias.ias_h.ac_command = (AC_CFLD_CMD & acmd_ia_setup);
3520 ias.ias_h.ac_link = mcs_addr;
3521 memcpy(&ias.ias_addr[0], (unsigned char *) &dev->dev_addr[0],
3522 sizeof(ias.ias_addr));
3523 obram_write(ioaddr, ias_addr, (unsigned char *) &ias, sizeof(ias));
3524
3525 /* Initialize adapter's Ethernet multicast addresses */
3526 memset(&mcs, 0x00, sizeof(mcs));
3527 mcs.mcs_h.ac_command = AC_CFLD_I | (AC_CFLD_CMD & acmd_mc_setup);
3528 mcs.mcs_h.ac_link = nop_addr;
3529 mcs.mcs_cnt = WAVELAN_ADDR_SIZE * lp->mc_count;
3530 obram_write(ioaddr, mcs_addr, (unsigned char *) &mcs, sizeof(mcs));
3531
3532 /* Any address to set? */
3533 if (lp->mc_count) {
3534 for (dmi = dev->mc_list; dmi; dmi = dmi->next)
3535 outsw(PIOP1(ioaddr), (u16 *) dmi->dmi_addr,
3536 WAVELAN_ADDR_SIZE >> 1);
3537
3538#ifdef DEBUG_CONFIG_INFO
3539 printk(KERN_DEBUG
3540 "%s: wv_82586_config(): set %d multicast addresses:\n",
3541 dev->name, lp->mc_count);
3542 for (dmi = dev->mc_list; dmi; dmi = dmi->next)
3543 printk(KERN_DEBUG " %pM\n", dmi->dmi_addr);
3544#endif
3545 }
3546
3547 /*
3548 * Overwrite the predecessor NOP link
3549 * so that it points to the configure action.
3550 */
3551 nop_addr = txpred + sizeof(tx);
3552 nop.nop_h.ac_status = 0;
3553 obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_status),
3554 (unsigned char *) &nop.nop_h.ac_status,
3555 sizeof(nop.nop_h.ac_status));
3556 nop.nop_h.ac_link = cfg_addr;
3557 obram_write(ioaddr, toff(ac_nop_t, nop_addr, nop_h.ac_link),
3558 (unsigned char *) &nop.nop_h.ac_link,
3559 sizeof(nop.nop_h.ac_link));
3560
3561 /* Job done, clear the flag */
3562 lp->reconfig_82586 = 0;
3563
3564 if (lp->tx_first_in_use == I82586NULL)
3565 lp->tx_first_in_use = txblock;
3566
3567 if (lp->tx_n_in_use == (NTXBLOCKS - 1))
3568 netif_stop_queue(dev);
3569
3570#ifdef DEBUG_CONFIG_TRACE
3571 printk(KERN_DEBUG "%s: <-wv_82586_config()\n", dev->name);
3572#endif
3573}
3574
3575/*------------------------------------------------------------------*/
3576/*
3577 * This routine, called by wavelan_close(), gracefully stops the
3578 * WaveLAN controller (i82586).
3579 * (called by wavelan_close())
3580 */
3581static void wv_82586_stop(struct net_device * dev)
3582{
3583 net_local *lp = netdev_priv(dev);
3584 unsigned long ioaddr = dev->base_addr;
3585 u16 scb_cmd;
3586
3587#ifdef DEBUG_CONFIG_TRACE
3588 printk(KERN_DEBUG "%s: ->wv_82586_stop()\n", dev->name);
3589#endif
3590
3591 /* Suspend both command unit and receive unit. */
3592 scb_cmd =
3593 (SCB_CMD_CUC & SCB_CMD_CUC_SUS) | (SCB_CMD_RUC &
3594 SCB_CMD_RUC_SUS);
3595 obram_write(ioaddr, scboff(OFFSET_SCB, scb_command),
3596 (unsigned char *) &scb_cmd, sizeof(scb_cmd));
3597 set_chan_attn(ioaddr, lp->hacr);
3598
3599 /* No more interrupts */
3600 wv_ints_off(dev);
3601
3602#ifdef DEBUG_CONFIG_TRACE
3603 printk(KERN_DEBUG "%s: <-wv_82586_stop()\n", dev->name);
3604#endif
3605}
3606
3607/*------------------------------------------------------------------*/
3608/*
3609 * Totally reset the WaveLAN and restart it.
3610 * Performs the following actions:
3611 * 1. A power reset (reset DMA)
3612 * 2. Initialize the radio modem (using wv_mmc_init)
3613 * 3. Reset & Configure LAN controller (using wv_82586_start)
3614 * 4. Start the LAN controller's command unit
3615 * 5. Start the LAN controller's receive unit
3616 * (called by wavelan_interrupt(), wavelan_watchdog() & wavelan_open())
3617 */
3618static int wv_hw_reset(struct net_device * dev)
3619{
3620 net_local *lp = netdev_priv(dev);
3621 unsigned long ioaddr = dev->base_addr;
3622
3623#ifdef DEBUG_CONFIG_TRACE
3624 printk(KERN_DEBUG "%s: ->wv_hw_reset(dev=0x%x)\n", dev->name,
3625 (unsigned int) dev);
3626#endif
3627
3628 /* Increase the number of resets done. */
3629 lp->nresets++;
3630
3631 wv_hacr_reset(ioaddr);
3632 lp->hacr = HACR_DEFAULT;
3633
3634 if ((wv_mmc_init(dev) < 0) || (wv_82586_start(dev) < 0))
3635 return -1;
3636
3637 /* Enable the card to send interrupts. */
3638 wv_ints_on(dev);
3639
3640 /* Start card functions */
3641 if (wv_cu_start(dev) < 0)
3642 return -1;
3643
3644 /* Setup the controller and parameters */
3645 wv_82586_config(dev);
3646
3647 /* Finish configuration with the receive unit */
3648 if (wv_ru_start(dev) < 0)
3649 return -1;
3650
3651#ifdef DEBUG_CONFIG_TRACE
3652 printk(KERN_DEBUG "%s: <-wv_hw_reset()\n", dev->name);
3653#endif
3654 return 0;
3655}
3656
3657/*------------------------------------------------------------------*/
3658/*
3659 * Check if there is a WaveLAN at the specific base address.
3660 * As a side effect, this reads the MAC address.
3661 * (called in wavelan_probe() and init_module())
3662 */
3663static int wv_check_ioaddr(unsigned long ioaddr, u8 * mac)
3664{
3665 int i; /* Loop counter */
3666
3667 /* Check if the base address if available. */
3668 if (!request_region(ioaddr, sizeof(ha_t), "wavelan probe"))
3669 return -EBUSY; /* ioaddr already used */
3670
3671 /* Reset host interface */
3672 wv_hacr_reset(ioaddr);
3673
3674 /* Read the MAC address from the parameter storage area. */
3675 psa_read(ioaddr, HACR_DEFAULT, psaoff(0, psa_univ_mac_addr),
3676 mac, 6);
3677
3678 release_region(ioaddr, sizeof(ha_t));
3679
3680 /*
3681 * Check the first three octets of the address for the manufacturer's code.
3682 * Note: if this can't find your WaveLAN card, you've got a
3683 * non-NCR/AT&T/Lucent ISA card. See wavelan.p.h for detail on
3684 * how to configure your card.
3685 */
3686 for (i = 0; i < ARRAY_SIZE(MAC_ADDRESSES); i++)
3687 if ((mac[0] == MAC_ADDRESSES[i][0]) &&
3688 (mac[1] == MAC_ADDRESSES[i][1]) &&
3689 (mac[2] == MAC_ADDRESSES[i][2]))
3690 return 0;
3691
3692#ifdef DEBUG_CONFIG_INFO
3693 printk(KERN_WARNING
3694 "WaveLAN (0x%3X): your MAC address might be %02X:%02X:%02X.\n",
3695 ioaddr, mac[0], mac[1], mac[2]);
3696#endif
3697 return -ENODEV;
3698}
3699
3700/************************ INTERRUPT HANDLING ************************/
3701
3702/*
3703 * This function is the interrupt handler for the WaveLAN card. This
3704 * routine will be called whenever:
3705 */
3706static irqreturn_t wavelan_interrupt(int irq, void *dev_id)
3707{
3708 struct net_device *dev;
3709 unsigned long ioaddr;
3710 net_local *lp;
3711 u16 hasr;
3712 u16 status;
3713 u16 ack_cmd;
3714
3715 dev = dev_id;
3716
3717#ifdef DEBUG_INTERRUPT_TRACE
3718 printk(KERN_DEBUG "%s: ->wavelan_interrupt()\n", dev->name);
3719#endif
3720
3721 lp = netdev_priv(dev);
3722 ioaddr = dev->base_addr;
3723
3724#ifdef DEBUG_INTERRUPT_INFO
3725 /* Check state of our spinlock */
3726 if(spin_is_locked(&lp->spinlock))
3727 printk(KERN_DEBUG
3728 "%s: wavelan_interrupt(): spinlock is already locked !!!\n",
3729 dev->name);
3730#endif
3731
3732 /* Prevent reentrancy. We need to do that because we may have
3733 * multiple interrupt handler running concurrently.
3734 * It is safe because interrupts are disabled before acquiring
3735 * the spinlock. */
3736 spin_lock(&lp->spinlock);
3737
3738 /* We always had spurious interrupts at startup, but lately I
3739 * saw them comming *between* the request_irq() and the
3740 * spin_lock_irqsave() in wavelan_open(), so the spinlock
3741 * protection is no enough.
3742 * So, we also check lp->hacr that will tell us is we enabled
3743 * irqs or not (see wv_ints_on()).
3744 * We can't use netif_running(dev) because we depend on the
3745 * proper processing of the irq generated during the config. */
3746
3747 /* Which interrupt it is ? */
3748 hasr = hasr_read(ioaddr);
3749
3750#ifdef DEBUG_INTERRUPT_INFO
3751 printk(KERN_INFO
3752 "%s: wavelan_interrupt(): hasr 0x%04x; hacr 0x%04x.\n",
3753 dev->name, hasr, lp->hacr);
3754#endif
3755
3756 /* Check modem interrupt */
3757 if ((hasr & HASR_MMC_INTR) && (lp->hacr & HACR_MMC_INT_ENABLE)) {
3758 u8 dce_status;
3759
3760 /*
3761 * Interrupt from the modem management controller.
3762 * This will clear it -- ignored for now.
3763 */
3764 mmc_read(ioaddr, mmroff(0, mmr_dce_status), &dce_status,
3765 sizeof(dce_status));
3766
3767#ifdef DEBUG_INTERRUPT_ERROR
3768 printk(KERN_INFO
3769 "%s: wavelan_interrupt(): unexpected mmc interrupt: status 0x%04x.\n",
3770 dev->name, dce_status);
3771#endif
3772 }
3773
3774 /* Check if not controller interrupt */
3775 if (((hasr & HASR_82586_INTR) == 0) ||
3776 ((lp->hacr & HACR_82586_INT_ENABLE) == 0)) {
3777#ifdef DEBUG_INTERRUPT_ERROR
3778 printk(KERN_INFO
3779 "%s: wavelan_interrupt(): interrupt not coming from i82586 - hasr 0x%04x.\n",
3780 dev->name, hasr);
3781#endif
3782 spin_unlock (&lp->spinlock);
3783 return IRQ_NONE;
3784 }
3785
3786 /* Read interrupt data. */
3787 obram_read(ioaddr, scboff(OFFSET_SCB, scb_status),
3788 (unsigned char *) &status, sizeof(status));
3789
3790 /*
3791 * Acknowledge the interrupt(s).
3792 */
3793 ack_cmd = status & SCB_ST_INT;
3794 obram_write(ioaddr, scboff(OFFSET_SCB, scb_command),
3795 (unsigned char *) &ack_cmd, sizeof(ack_cmd));
3796 set_chan_attn(ioaddr, lp->hacr);
3797
3798#ifdef DEBUG_INTERRUPT_INFO
3799 printk(KERN_DEBUG "%s: wavelan_interrupt(): status 0x%04x.\n",
3800 dev->name, status);
3801#endif
3802
3803 /* Command completed. */
3804 if ((status & SCB_ST_CX) == SCB_ST_CX) {
3805#ifdef DEBUG_INTERRUPT_INFO
3806 printk(KERN_DEBUG
3807 "%s: wavelan_interrupt(): command completed.\n",
3808 dev->name);
3809#endif
3810 wv_complete(dev, ioaddr, lp);
3811 }
3812
3813 /* Frame received. */
3814 if ((status & SCB_ST_FR) == SCB_ST_FR) {
3815#ifdef DEBUG_INTERRUPT_INFO
3816 printk(KERN_DEBUG
3817 "%s: wavelan_interrupt(): received packet.\n",
3818 dev->name);
3819#endif
3820 wv_receive(dev);
3821 }
3822
3823 /* Check the state of the command unit. */
3824 if (((status & SCB_ST_CNA) == SCB_ST_CNA) ||
3825 (((status & SCB_ST_CUS) != SCB_ST_CUS_ACTV) &&
3826 (netif_running(dev)))) {
3827#ifdef DEBUG_INTERRUPT_ERROR
3828 printk(KERN_INFO
3829 "%s: wavelan_interrupt(): CU inactive -- restarting\n",
3830 dev->name);
3831#endif
3832 wv_hw_reset(dev);
3833 }
3834
3835 /* Check the state of the command unit. */
3836 if (((status & SCB_ST_RNR) == SCB_ST_RNR) ||
3837 (((status & SCB_ST_RUS) != SCB_ST_RUS_RDY) &&
3838 (netif_running(dev)))) {
3839#ifdef DEBUG_INTERRUPT_ERROR
3840 printk(KERN_INFO
3841 "%s: wavelan_interrupt(): RU not ready -- restarting\n",
3842 dev->name);
3843#endif
3844 wv_hw_reset(dev);
3845 }
3846
3847 /* Release spinlock */
3848 spin_unlock (&lp->spinlock);
3849
3850#ifdef DEBUG_INTERRUPT_TRACE
3851 printk(KERN_DEBUG "%s: <-wavelan_interrupt()\n", dev->name);
3852#endif
3853 return IRQ_HANDLED;
3854}
3855
3856/*------------------------------------------------------------------*/
3857/*
3858 * Watchdog: when we start a transmission, a timer is set for us in the
3859 * kernel. If the transmission completes, this timer is disabled. If
3860 * the timer expires, we are called and we try to unlock the hardware.
3861 */
3862static void wavelan_watchdog(struct net_device * dev)
3863{
3864 net_local *lp = netdev_priv(dev);
3865 u_long ioaddr = dev->base_addr;
3866 unsigned long flags;
3867 unsigned int nreaped;
3868
3869#ifdef DEBUG_INTERRUPT_TRACE
3870 printk(KERN_DEBUG "%s: ->wavelan_watchdog()\n", dev->name);
3871#endif
3872
3873#ifdef DEBUG_INTERRUPT_ERROR
3874 printk(KERN_INFO "%s: wavelan_watchdog: watchdog timer expired\n",
3875 dev->name);
3876#endif
3877
3878 /* Check that we came here for something */
3879 if (lp->tx_n_in_use <= 0) {
3880 return;
3881 }
3882
3883 spin_lock_irqsave(&lp->spinlock, flags);
3884
3885 /* Try to see if some buffers are not free (in case we missed
3886 * an interrupt */
3887 nreaped = wv_complete(dev, ioaddr, lp);
3888
3889#ifdef DEBUG_INTERRUPT_INFO
3890 printk(KERN_DEBUG
3891 "%s: wavelan_watchdog(): %d reaped, %d remain.\n",
3892 dev->name, nreaped, lp->tx_n_in_use);
3893#endif
3894
3895#ifdef DEBUG_PSA_SHOW
3896 {
3897 psa_t psa;
3898 psa_read(dev, 0, (unsigned char *) &psa, sizeof(psa));
3899 wv_psa_show(&psa);
3900 }
3901#endif
3902#ifdef DEBUG_MMC_SHOW
3903 wv_mmc_show(dev);
3904#endif
3905#ifdef DEBUG_I82586_SHOW
3906 wv_cu_show(dev);
3907#endif
3908
3909 /* If no buffer has been freed */
3910 if (nreaped == 0) {
3911#ifdef DEBUG_INTERRUPT_ERROR
3912 printk(KERN_INFO
3913 "%s: wavelan_watchdog(): cleanup failed, trying reset\n",
3914 dev->name);
3915#endif
3916 wv_hw_reset(dev);
3917 }
3918
3919 /* At this point, we should have some free Tx buffer ;-) */
3920 if (lp->tx_n_in_use < NTXBLOCKS - 1)
3921 netif_wake_queue(dev);
3922
3923 spin_unlock_irqrestore(&lp->spinlock, flags);
3924
3925#ifdef DEBUG_INTERRUPT_TRACE
3926 printk(KERN_DEBUG "%s: <-wavelan_watchdog()\n", dev->name);
3927#endif
3928}
3929
3930/********************* CONFIGURATION CALLBACKS *********************/
3931/*
3932 * Here are the functions called by the Linux networking code (NET3)
3933 * for initialization, configuration and deinstallations of the
3934 * WaveLAN ISA hardware.
3935 */
3936
3937/*------------------------------------------------------------------*/
3938/*
3939 * Configure and start up the WaveLAN PCMCIA adaptor.
3940 * Called by NET3 when it "opens" the device.
3941 */
3942static int wavelan_open(struct net_device * dev)
3943{
3944 net_local *lp = netdev_priv(dev);
3945 unsigned long flags;
3946
3947#ifdef DEBUG_CALLBACK_TRACE
3948 printk(KERN_DEBUG "%s: ->wavelan_open(dev=0x%x)\n", dev->name,
3949 (unsigned int) dev);
3950#endif
3951
3952 /* Check irq */
3953 if (dev->irq == 0) {
3954#ifdef DEBUG_CONFIG_ERROR
3955 printk(KERN_WARNING "%s: wavelan_open(): no IRQ\n",
3956 dev->name);
3957#endif
3958 return -ENXIO;
3959 }
3960
3961 if (request_irq(dev->irq, &wavelan_interrupt, 0, "WaveLAN", dev) != 0)
3962 {
3963#ifdef DEBUG_CONFIG_ERROR
3964 printk(KERN_WARNING "%s: wavelan_open(): invalid IRQ\n",
3965 dev->name);
3966#endif
3967 return -EAGAIN;
3968 }
3969
3970 spin_lock_irqsave(&lp->spinlock, flags);
3971
3972 if (wv_hw_reset(dev) != -1) {
3973 netif_start_queue(dev);
3974 } else {
3975 free_irq(dev->irq, dev);
3976#ifdef DEBUG_CONFIG_ERROR
3977 printk(KERN_INFO
3978 "%s: wavelan_open(): impossible to start the card\n",
3979 dev->name);
3980#endif
3981 spin_unlock_irqrestore(&lp->spinlock, flags);
3982 return -EAGAIN;
3983 }
3984 spin_unlock_irqrestore(&lp->spinlock, flags);
3985
3986#ifdef DEBUG_CALLBACK_TRACE
3987 printk(KERN_DEBUG "%s: <-wavelan_open()\n", dev->name);
3988#endif
3989 return 0;
3990}
3991
3992/*------------------------------------------------------------------*/
3993/*
3994 * Shut down the WaveLAN ISA card.
3995 * Called by NET3 when it "closes" the device.
3996 */
3997static int wavelan_close(struct net_device * dev)
3998{
3999 net_local *lp = netdev_priv(dev);
4000 unsigned long flags;
4001
4002#ifdef DEBUG_CALLBACK_TRACE
4003 printk(KERN_DEBUG "%s: ->wavelan_close(dev=0x%x)\n", dev->name,
4004 (unsigned int) dev);
4005#endif
4006
4007 netif_stop_queue(dev);
4008
4009 /*
4010 * Flush the Tx and disable Rx.
4011 */
4012 spin_lock_irqsave(&lp->spinlock, flags);
4013 wv_82586_stop(dev);
4014 spin_unlock_irqrestore(&lp->spinlock, flags);
4015
4016 free_irq(dev->irq, dev);
4017
4018#ifdef DEBUG_CALLBACK_TRACE
4019 printk(KERN_DEBUG "%s: <-wavelan_close()\n", dev->name);
4020#endif
4021 return 0;
4022}
4023
4024static const struct net_device_ops wavelan_netdev_ops = {
4025 .ndo_open = wavelan_open,
4026 .ndo_stop = wavelan_close,
4027 .ndo_start_xmit = wavelan_packet_xmit,
4028 .ndo_set_multicast_list = wavelan_set_multicast_list,
4029 .ndo_tx_timeout = wavelan_watchdog,
4030 .ndo_change_mtu = eth_change_mtu,
4031 .ndo_validate_addr = eth_validate_addr,
4032#ifdef SET_MAC_ADDRESS
4033 .ndo_set_mac_address = wavelan_set_mac_address
4034#else
4035 .ndo_set_mac_address = eth_mac_addr,
4036#endif
4037};
4038
4039
4040/*------------------------------------------------------------------*/
4041/*
4042 * Probe an I/O address, and if the WaveLAN is there configure the
4043 * device structure
4044 * (called by wavelan_probe() and via init_module()).
4045 */
4046static int __init wavelan_config(struct net_device *dev, unsigned short ioaddr)
4047{
4048 u8 irq_mask;
4049 int irq;
4050 net_local *lp;
4051 mac_addr mac;
4052 int err;
4053
4054 if (!request_region(ioaddr, sizeof(ha_t), "wavelan"))
4055 return -EADDRINUSE;
4056
4057 err = wv_check_ioaddr(ioaddr, mac);
4058 if (err)
4059 goto out;
4060
4061 memcpy(dev->dev_addr, mac, 6);
4062
4063 dev->base_addr = ioaddr;
4064
4065#ifdef DEBUG_CALLBACK_TRACE
4066 printk(KERN_DEBUG "%s: ->wavelan_config(dev=0x%x, ioaddr=0x%lx)\n",
4067 dev->name, (unsigned int) dev, ioaddr);
4068#endif
4069
4070 /* Check IRQ argument on command line. */
4071 if (dev->irq != 0) {
4072 irq_mask = wv_irq_to_psa(dev->irq);
4073
4074 if (irq_mask == 0) {
4075#ifdef DEBUG_CONFIG_ERROR
4076 printk(KERN_WARNING
4077 "%s: wavelan_config(): invalid IRQ %d ignored.\n",
4078 dev->name, dev->irq);
4079#endif
4080 dev->irq = 0;
4081 } else {
4082#ifdef DEBUG_CONFIG_INFO
4083 printk(KERN_DEBUG
4084 "%s: wavelan_config(): changing IRQ to %d\n",
4085 dev->name, dev->irq);
4086#endif
4087 psa_write(ioaddr, HACR_DEFAULT,
4088 psaoff(0, psa_int_req_no), &irq_mask, 1);
4089 /* update the Wavelan checksum */
4090 update_psa_checksum(dev, ioaddr, HACR_DEFAULT);
4091 wv_hacr_reset(ioaddr);
4092 }
4093 }
4094
4095 psa_read(ioaddr, HACR_DEFAULT, psaoff(0, psa_int_req_no),
4096 &irq_mask, 1);
4097 if ((irq = wv_psa_to_irq(irq_mask)) == -1) {
4098#ifdef DEBUG_CONFIG_ERROR
4099 printk(KERN_INFO
4100 "%s: wavelan_config(): could not wavelan_map_irq(%d).\n",
4101 dev->name, irq_mask);
4102#endif
4103 err = -EAGAIN;
4104 goto out;
4105 }
4106
4107 dev->irq = irq;
4108
4109 dev->mem_start = 0x0000;
4110 dev->mem_end = 0x0000;
4111 dev->if_port = 0;
4112
4113 /* Initialize device structures */
4114 memset(netdev_priv(dev), 0, sizeof(net_local));
4115 lp = netdev_priv(dev);
4116
4117 /* Back link to the device structure. */
4118 lp->dev = dev;
4119 /* Add the device at the beginning of the linked list. */
4120 lp->next = wavelan_list;
4121 wavelan_list = lp;
4122
4123 lp->hacr = HACR_DEFAULT;
4124
4125 /* Multicast stuff */
4126 lp->promiscuous = 0;
4127 lp->mc_count = 0;
4128
4129 /* Init spinlock */
4130 spin_lock_init(&lp->spinlock);
4131
4132 dev->netdev_ops = &wavelan_netdev_ops;
4133 dev->watchdog_timeo = WATCHDOG_JIFFIES;
4134 dev->wireless_handlers = &wavelan_handler_def;
4135 lp->wireless_data.spy_data = &lp->spy_data;
4136 dev->wireless_data = &lp->wireless_data;
4137
4138 dev->mtu = WAVELAN_MTU;
4139
4140 /* Display nice information. */
4141 wv_init_info(dev);
4142
4143#ifdef DEBUG_CALLBACK_TRACE
4144 printk(KERN_DEBUG "%s: <-wavelan_config()\n", dev->name);
4145#endif
4146 return 0;
4147out:
4148 release_region(ioaddr, sizeof(ha_t));
4149 return err;
4150}
4151
4152/*------------------------------------------------------------------*/
4153/*
4154 * Check for a network adaptor of this type. Return '0' iff one
4155 * exists. There seem to be different interpretations of
4156 * the initial value of dev->base_addr.
4157 * We follow the example in drivers/net/ne.c.
4158 * (called in "Space.c")
4159 */
4160struct net_device * __init wavelan_probe(int unit)
4161{
4162 struct net_device *dev;
4163 short base_addr;
4164 int def_irq;
4165 int i;
4166 int r = 0;
4167
4168 /* compile-time check the sizes of structures */
4169 BUILD_BUG_ON(sizeof(psa_t) != PSA_SIZE);
4170 BUILD_BUG_ON(sizeof(mmw_t) != MMW_SIZE);
4171 BUILD_BUG_ON(sizeof(mmr_t) != MMR_SIZE);
4172 BUILD_BUG_ON(sizeof(ha_t) != HA_SIZE);
4173
4174 dev = alloc_etherdev(sizeof(net_local));
4175 if (!dev)
4176 return ERR_PTR(-ENOMEM);
4177
4178 sprintf(dev->name, "eth%d", unit);
4179 netdev_boot_setup_check(dev);
4180 base_addr = dev->base_addr;
4181 def_irq = dev->irq;
4182
4183#ifdef DEBUG_CALLBACK_TRACE
4184 printk(KERN_DEBUG
4185 "%s: ->wavelan_probe(dev=%p (base_addr=0x%x))\n",
4186 dev->name, dev, (unsigned int) dev->base_addr);
4187#endif
4188
4189 /* Don't probe at all. */
4190 if (base_addr < 0) {
4191#ifdef DEBUG_CONFIG_ERROR
4192 printk(KERN_WARNING
4193 "%s: wavelan_probe(): invalid base address\n",
4194 dev->name);
4195#endif
4196 r = -ENXIO;
4197 } else if (base_addr > 0x100) { /* Check a single specified location. */
4198 r = wavelan_config(dev, base_addr);
4199#ifdef DEBUG_CONFIG_INFO
4200 if (r != 0)
4201 printk(KERN_DEBUG
4202 "%s: wavelan_probe(): no device at specified base address (0x%X) or address already in use\n",
4203 dev->name, base_addr);
4204#endif
4205
4206#ifdef DEBUG_CALLBACK_TRACE
4207 printk(KERN_DEBUG "%s: <-wavelan_probe()\n", dev->name);
4208#endif
4209 } else { /* Scan all possible addresses of the WaveLAN hardware. */
4210 for (i = 0; i < ARRAY_SIZE(iobase); i++) {
4211 dev->irq = def_irq;
4212 if (wavelan_config(dev, iobase[i]) == 0) {
4213#ifdef DEBUG_CALLBACK_TRACE
4214 printk(KERN_DEBUG
4215 "%s: <-wavelan_probe()\n",
4216 dev->name);
4217#endif
4218 break;
4219 }
4220 }
4221 if (i == ARRAY_SIZE(iobase))
4222 r = -ENODEV;
4223 }
4224 if (r)
4225 goto out;
4226 r = register_netdev(dev);
4227 if (r)
4228 goto out1;
4229 return dev;
4230out1:
4231 release_region(dev->base_addr, sizeof(ha_t));
4232 wavelan_list = wavelan_list->next;
4233out:
4234 free_netdev(dev);
4235 return ERR_PTR(r);
4236}
4237
4238/****************************** MODULE ******************************/
4239/*
4240 * Module entry point: insertion and removal
4241 */
4242
4243#ifdef MODULE
4244/*------------------------------------------------------------------*/
4245/*
4246 * Insertion of the module
4247 * I'm now quite proud of the multi-device support.
4248 */
4249int __init init_module(void)
4250{
4251 int ret = -EIO; /* Return error if no cards found */
4252 int i;
4253
4254#ifdef DEBUG_MODULE_TRACE
4255 printk(KERN_DEBUG "-> init_module()\n");
4256#endif
4257
4258 /* If probing is asked */
4259 if (io[0] == 0) {
4260#ifdef DEBUG_CONFIG_ERROR
4261 printk(KERN_WARNING
4262 "WaveLAN init_module(): doing device probing (bad !)\n");
4263 printk(KERN_WARNING
4264 "Specify base addresses while loading module to correct the problem\n");
4265#endif
4266
4267 /* Copy the basic set of address to be probed. */
4268 for (i = 0; i < ARRAY_SIZE(iobase); i++)
4269 io[i] = iobase[i];
4270 }
4271
4272
4273 /* Loop on all possible base addresses. */
4274 for (i = 0; i < ARRAY_SIZE(io) && io[i] != 0; i++) {
4275 struct net_device *dev = alloc_etherdev(sizeof(net_local));
4276 if (!dev)
4277 break;
4278 if (name[i])
4279 strcpy(dev->name, name[i]); /* Copy name */
4280 dev->base_addr = io[i];
4281 dev->irq = irq[i];
4282
4283 /* Check if there is something at this base address. */
4284 if (wavelan_config(dev, io[i]) == 0) {
4285 if (register_netdev(dev) != 0) {
4286 release_region(dev->base_addr, sizeof(ha_t));
4287 wavelan_list = wavelan_list->next;
4288 } else {
4289 ret = 0;
4290 continue;
4291 }
4292 }
4293 free_netdev(dev);
4294 }
4295
4296#ifdef DEBUG_CONFIG_ERROR
4297 if (!wavelan_list)
4298 printk(KERN_WARNING
4299 "WaveLAN init_module(): no device found\n");
4300#endif
4301
4302#ifdef DEBUG_MODULE_TRACE
4303 printk(KERN_DEBUG "<- init_module()\n");
4304#endif
4305 return ret;
4306}
4307
4308/*------------------------------------------------------------------*/
4309/*
4310 * Removal of the module
4311 */
4312void cleanup_module(void)
4313{
4314#ifdef DEBUG_MODULE_TRACE
4315 printk(KERN_DEBUG "-> cleanup_module()\n");
4316#endif
4317
4318 /* Loop on all devices and release them. */
4319 while (wavelan_list) {
4320 struct net_device *dev = wavelan_list->dev;
4321
4322#ifdef DEBUG_CONFIG_INFO
4323 printk(KERN_DEBUG
4324 "%s: cleanup_module(): removing device at 0x%x\n",
4325 dev->name, (unsigned int) dev);
4326#endif
4327 unregister_netdev(dev);
4328
4329 release_region(dev->base_addr, sizeof(ha_t));
4330 wavelan_list = wavelan_list->next;
4331
4332 free_netdev(dev);
4333 }
4334
4335#ifdef DEBUG_MODULE_TRACE
4336 printk(KERN_DEBUG "<- cleanup_module()\n");
4337#endif
4338}
4339#endif /* MODULE */
4340MODULE_LICENSE("GPL");
4341
4342/*
4343 * This software may only be used and distributed
4344 * according to the terms of the GNU General Public License.
4345 *
4346 * This software was developed as a component of the
4347 * Linux operating system.
4348 * It is based on other device drivers and information
4349 * either written or supplied by:
4350 * Ajay Bakre (bakre@paul.rutgers.edu),
4351 * Donald Becker (becker@scyld.com),
4352 * Loeke Brederveld (Loeke.Brederveld@Utrecht.NCR.com),
4353 * Anders Klemets (klemets@it.kth.se),
4354 * Vladimir V. Kolpakov (w@stier.koenig.ru),
4355 * Marc Meertens (Marc.Meertens@Utrecht.NCR.com),
4356 * Pauline Middelink (middelin@polyware.iaf.nl),
4357 * Robert Morris (rtm@das.harvard.edu),
4358 * Jean Tourrilhes (jt@hplb.hpl.hp.com),
4359 * Girish Welling (welling@paul.rutgers.edu),
4360 *
4361 * Thanks go also to:
4362 * James Ashton (jaa101@syseng.anu.edu.au),
4363 * Alan Cox (alan@lxorguk.ukuu.org.uk),
4364 * Allan Creighton (allanc@cs.usyd.edu.au),
4365 * Matthew Geier (matthew@cs.usyd.edu.au),
4366 * Remo di Giovanni (remo@cs.usyd.edu.au),
4367 * Eckhard Grah (grah@wrcs1.urz.uni-wuppertal.de),
4368 * Vipul Gupta (vgupta@cs.binghamton.edu),
4369 * Mark Hagan (mhagan@wtcpost.daytonoh.NCR.COM),
4370 * Tim Nicholson (tim@cs.usyd.edu.au),
4371 * Ian Parkin (ian@cs.usyd.edu.au),
4372 * John Rosenberg (johnr@cs.usyd.edu.au),
4373 * George Rossi (george@phm.gov.au),
4374 * Arthur Scott (arthur@cs.usyd.edu.au),
4375 * Peter Storey,
4376 * for their assistance and advice.
4377 *
4378 * Please send bug reports, updates, comments to:
4379 *
4380 * Bruce Janson Email: bruce@cs.usyd.edu.au
4381 * Basser Department of Computer Science Phone: +61-2-9351-3423
4382 * University of Sydney, N.S.W., 2006, AUSTRALIA Fax: +61-2-9351-3838
4383 */
diff --git a/drivers/net/wireless/wavelan.h b/drivers/net/wireless/wavelan.h
deleted file mode 100644
index 9ab360558ffd..000000000000
--- a/drivers/net/wireless/wavelan.h
+++ /dev/null
@@ -1,370 +0,0 @@
1/*
2 * WaveLAN ISA driver
3 *
4 * Jean II - HPLB '96
5 *
6 * Reorganisation and extension of the driver.
7 * Original copyright follows. See wavelan.p.h for details.
8 *
9 * This file contains the declarations for the WaveLAN hardware. Note that
10 * the WaveLAN ISA includes a i82586 controller (see definitions in
11 * file i82586.h).
12 *
13 * The main difference between the ISA hardware and the PCMCIA one is
14 * the Ethernet controller (i82586 instead of i82593).
15 * The i82586 allows multiple transmit buffers. The PSA needs to be accessed
16 * through the host interface.
17 */
18
19#ifndef _WAVELAN_H
20#define _WAVELAN_H
21
22/************************** MAGIC NUMBERS ***************************/
23
24/* Detection of the WaveLAN card is done by reading the MAC
25 * address from the card and checking it. If you have a non-AT&T
26 * product (OEM, like DEC RoamAbout, Digital Ocean, or Epson),
27 * you might need to modify this part to accommodate your hardware.
28 */
29static const char MAC_ADDRESSES[][3] =
30{
31 { 0x08, 0x00, 0x0E }, /* AT&T WaveLAN (standard) & DEC RoamAbout */
32 { 0x08, 0x00, 0x6A }, /* AT&T WaveLAN (alternate) */
33 { 0x00, 0x00, 0xE1 }, /* Hitachi Wavelan */
34 { 0x00, 0x60, 0x1D } /* Lucent Wavelan (another one) */
35 /* Add your card here and send me the patch! */
36};
37
38#define WAVELAN_ADDR_SIZE 6 /* Size of a MAC address */
39
40#define WAVELAN_MTU 1500 /* Maximum size of WaveLAN packet */
41
42#define MAXDATAZ (WAVELAN_ADDR_SIZE + WAVELAN_ADDR_SIZE + 2 + WAVELAN_MTU)
43
44/*
45 * Constants used to convert channels to frequencies
46 */
47
48/* Frequency available in the 2.0 modem, in units of 250 kHz
49 * (as read in the offset register of the dac area).
50 * Used to map channel numbers used by `wfreqsel' to frequencies
51 */
52static const short channel_bands[] = { 0x30, 0x58, 0x64, 0x7A, 0x80, 0xA8,
53 0xD0, 0xF0, 0xF8, 0x150 };
54
55/* Frequencies of the 1.0 modem (fixed frequencies).
56 * Use to map the PSA `subband' to a frequency
57 * Note : all frequencies apart from the first one need to be multiplied by 10
58 */
59static const int fixed_bands[] = { 915e6, 2.425e8, 2.46e8, 2.484e8, 2.4305e8 };
60
61
62
63/*************************** PC INTERFACE ****************************/
64
65/*
66 * Host Adaptor structure.
67 * (base is board port address).
68 */
69typedef union hacs_u hacs_u;
70union hacs_u
71{
72 unsigned short hu_command; /* Command register */
73#define HACR_RESET 0x0001 /* Reset board */
74#define HACR_CA 0x0002 /* Set Channel Attention for 82586 */
75#define HACR_16BITS 0x0004 /* 16-bit operation (0 => 8bits) */
76#define HACR_OUT0 0x0008 /* General purpose output pin 0 */
77 /* not used - must be 1 */
78#define HACR_OUT1 0x0010 /* General purpose output pin 1 */
79 /* not used - must be 1 */
80#define HACR_82586_INT_ENABLE 0x0020 /* Enable 82586 interrupts */
81#define HACR_MMC_INT_ENABLE 0x0040 /* Enable MMC interrupts */
82#define HACR_INTR_CLR_ENABLE 0x0080 /* Enable interrupt status read/clear */
83 unsigned short hu_status; /* Status Register */
84#define HASR_82586_INTR 0x0001 /* Interrupt request from 82586 */
85#define HASR_MMC_INTR 0x0002 /* Interrupt request from MMC */
86#define HASR_MMC_BUSY 0x0004 /* MMC busy indication */
87#define HASR_PSA_BUSY 0x0008 /* LAN parameter storage area busy */
88} __attribute__ ((packed));
89
90typedef struct ha_t ha_t;
91struct ha_t
92{
93 hacs_u ha_cs; /* Command and status registers */
94#define ha_command ha_cs.hu_command
95#define ha_status ha_cs.hu_status
96 unsigned short ha_mmcr; /* Modem Management Ctrl Register */
97 unsigned short ha_pior0; /* Program I/O Address Register Port 0 */
98 unsigned short ha_piop0; /* Program I/O Port 0 */
99 unsigned short ha_pior1; /* Program I/O Address Register Port 1 */
100 unsigned short ha_piop1; /* Program I/O Port 1 */
101 unsigned short ha_pior2; /* Program I/O Address Register Port 2 */
102 unsigned short ha_piop2; /* Program I/O Port 2 */
103};
104
105#define HA_SIZE 16
106
107#define hoff(p,f) (unsigned short)((void *)(&((ha_t *)((void *)0 + (p)))->f) - (void *)0)
108#define HACR(p) hoff(p, ha_command)
109#define HASR(p) hoff(p, ha_status)
110#define MMCR(p) hoff(p, ha_mmcr)
111#define PIOR0(p) hoff(p, ha_pior0)
112#define PIOP0(p) hoff(p, ha_piop0)
113#define PIOR1(p) hoff(p, ha_pior1)
114#define PIOP1(p) hoff(p, ha_piop1)
115#define PIOR2(p) hoff(p, ha_pior2)
116#define PIOP2(p) hoff(p, ha_piop2)
117
118/*
119 * Program I/O Mode Register values.
120 */
121#define STATIC_PIO 0 /* Mode 1: static mode */
122 /* RAM access ??? */
123#define AUTOINCR_PIO 1 /* Mode 2: auto increment mode */
124 /* RAM access ??? */
125#define AUTODECR_PIO 2 /* Mode 3: auto decrement mode */
126 /* RAM access ??? */
127#define PARAM_ACCESS_PIO 3 /* Mode 4: LAN parameter access mode */
128 /* Parameter access. */
129#define PIO_MASK 3 /* register mask */
130#define PIOM(cmd,piono) ((u_short)cmd << 10 << (piono * 2))
131
132#define HACR_DEFAULT (HACR_OUT0 | HACR_OUT1 | HACR_16BITS | PIOM(STATIC_PIO, 0) | PIOM(AUTOINCR_PIO, 1) | PIOM(PARAM_ACCESS_PIO, 2))
133#define HACR_INTRON (HACR_82586_INT_ENABLE | HACR_MMC_INT_ENABLE | HACR_INTR_CLR_ENABLE)
134
135/************************** MEMORY LAYOUT **************************/
136
137/*
138 * Onboard 64 k RAM layout.
139 * (Offsets from 0x0000.)
140 */
141#define OFFSET_RU 0x0000 /* 75% memory */
142#define OFFSET_CU 0xC000 /* 25% memory */
143#define OFFSET_SCB (OFFSET_ISCP - sizeof(scb_t))
144#define OFFSET_ISCP (OFFSET_SCP - sizeof(iscp_t))
145#define OFFSET_SCP I82586_SCP_ADDR
146
147#define RXBLOCKZ (sizeof(fd_t) + sizeof(rbd_t) + MAXDATAZ)
148#define TXBLOCKZ (sizeof(ac_tx_t) + sizeof(ac_nop_t) + sizeof(tbd_t) + MAXDATAZ)
149
150#define NRXBLOCKS ((OFFSET_CU - OFFSET_RU) / RXBLOCKZ)
151#define NTXBLOCKS ((OFFSET_SCB - OFFSET_CU) / TXBLOCKZ)
152
153/********************** PARAMETER STORAGE AREA **********************/
154
155/*
156 * Parameter Storage Area (PSA).
157 */
158typedef struct psa_t psa_t;
159struct psa_t
160{
161 unsigned char psa_io_base_addr_1; /* [0x00] Base address 1 ??? */
162 unsigned char psa_io_base_addr_2; /* [0x01] Base address 2 */
163 unsigned char psa_io_base_addr_3; /* [0x02] Base address 3 */
164 unsigned char psa_io_base_addr_4; /* [0x03] Base address 4 */
165 unsigned char psa_rem_boot_addr_1; /* [0x04] Remote Boot Address 1 */
166 unsigned char psa_rem_boot_addr_2; /* [0x05] Remote Boot Address 2 */
167 unsigned char psa_rem_boot_addr_3; /* [0x06] Remote Boot Address 3 */
168 unsigned char psa_holi_params; /* [0x07] HOst Lan Interface (HOLI) Parameters */
169 unsigned char psa_int_req_no; /* [0x08] Interrupt Request Line */
170 unsigned char psa_unused0[7]; /* [0x09-0x0F] unused */
171
172 unsigned char psa_univ_mac_addr[WAVELAN_ADDR_SIZE]; /* [0x10-0x15] Universal (factory) MAC Address */
173 unsigned char psa_local_mac_addr[WAVELAN_ADDR_SIZE]; /* [0x16-1B] Local MAC Address */
174 unsigned char psa_univ_local_sel; /* [0x1C] Universal Local Selection */
175#define PSA_UNIVERSAL 0 /* Universal (factory) */
176#define PSA_LOCAL 1 /* Local */
177 unsigned char psa_comp_number; /* [0x1D] Compatibility Number: */
178#define PSA_COMP_PC_AT_915 0 /* PC-AT 915 MHz */
179#define PSA_COMP_PC_MC_915 1 /* PC-MC 915 MHz */
180#define PSA_COMP_PC_AT_2400 2 /* PC-AT 2.4 GHz */
181#define PSA_COMP_PC_MC_2400 3 /* PC-MC 2.4 GHz */
182#define PSA_COMP_PCMCIA_915 4 /* PCMCIA 915 MHz or 2.0 */
183 unsigned char psa_thr_pre_set; /* [0x1E] Modem Threshold Preset */
184 unsigned char psa_feature_select; /* [0x1F] Call code required (1=on) */
185#define PSA_FEATURE_CALL_CODE 0x01 /* Call code required (Japan) */
186 unsigned char psa_subband; /* [0x20] Subband */
187#define PSA_SUBBAND_915 0 /* 915 MHz or 2.0 */
188#define PSA_SUBBAND_2425 1 /* 2425 MHz */
189#define PSA_SUBBAND_2460 2 /* 2460 MHz */
190#define PSA_SUBBAND_2484 3 /* 2484 MHz */
191#define PSA_SUBBAND_2430_5 4 /* 2430.5 MHz */
192 unsigned char psa_quality_thr; /* [0x21] Modem Quality Threshold */
193 unsigned char psa_mod_delay; /* [0x22] Modem Delay (?) (reserved) */
194 unsigned char psa_nwid[2]; /* [0x23-0x24] Network ID */
195 unsigned char psa_nwid_select; /* [0x25] Network ID Select On/Off */
196 unsigned char psa_encryption_select; /* [0x26] Encryption On/Off */
197 unsigned char psa_encryption_key[8]; /* [0x27-0x2E] Encryption Key */
198 unsigned char psa_databus_width; /* [0x2F] AT bus width select 8/16 */
199 unsigned char psa_call_code[8]; /* [0x30-0x37] (Japan) Call Code */
200 unsigned char psa_nwid_prefix[2]; /* [0x38-0x39] Roaming domain */
201 unsigned char psa_reserved[2]; /* [0x3A-0x3B] Reserved - fixed 00 */
202 unsigned char psa_conf_status; /* [0x3C] Conf Status, bit 0=1:config*/
203 unsigned char psa_crc[2]; /* [0x3D] CRC-16 over PSA */
204 unsigned char psa_crc_status; /* [0x3F] CRC Valid Flag */
205};
206
207#define PSA_SIZE 64
208
209/* Calculate offset of a field in the above structure.
210 * Warning: only even addresses are used. */
211#define psaoff(p,f) ((unsigned short) ((void *)(&((psa_t *) ((void *) NULL + (p)))->f) - (void *) NULL))
212
213/******************** MODEM MANAGEMENT INTERFACE ********************/
214
215/*
216 * Modem Management Controller (MMC) write structure.
217 */
218typedef struct mmw_t mmw_t;
219struct mmw_t
220{
221 unsigned char mmw_encr_key[8]; /* encryption key */
222 unsigned char mmw_encr_enable; /* Enable or disable encryption. */
223#define MMW_ENCR_ENABLE_MODE 0x02 /* mode of security option */
224#define MMW_ENCR_ENABLE_EN 0x01 /* Enable security option. */
225 unsigned char mmw_unused0[1]; /* unused */
226 unsigned char mmw_des_io_invert; /* encryption option */
227#define MMW_DES_IO_INVERT_RES 0x0F /* reserved */
228#define MMW_DES_IO_INVERT_CTRL 0xF0 /* control (?) (set to 0) */
229 unsigned char mmw_unused1[5]; /* unused */
230 unsigned char mmw_loopt_sel; /* looptest selection */
231#define MMW_LOOPT_SEL_DIS_NWID 0x40 /* Disable NWID filtering. */
232#define MMW_LOOPT_SEL_INT 0x20 /* Activate Attention Request. */
233#define MMW_LOOPT_SEL_LS 0x10 /* looptest, no collision avoidance */
234#define MMW_LOOPT_SEL_LT3A 0x08 /* looptest 3a */
235#define MMW_LOOPT_SEL_LT3B 0x04 /* looptest 3b */
236#define MMW_LOOPT_SEL_LT3C 0x02 /* looptest 3c */
237#define MMW_LOOPT_SEL_LT3D 0x01 /* looptest 3d */
238 unsigned char mmw_jabber_enable; /* jabber timer enable */
239 /* Abort transmissions > 200 ms */
240 unsigned char mmw_freeze; /* freeze or unfreeze signal level */
241 /* 0 : signal level & qual updated for every new message, 1 : frozen */
242 unsigned char mmw_anten_sel; /* antenna selection */
243#define MMW_ANTEN_SEL_SEL 0x01 /* direct antenna selection */
244#define MMW_ANTEN_SEL_ALG_EN 0x02 /* antenna selection algo. enable */
245 unsigned char mmw_ifs; /* inter frame spacing */
246 /* min time between transmission in bit periods (.5 us) - bit 0 ignored */
247 unsigned char mmw_mod_delay; /* modem delay (synchro) */
248 unsigned char mmw_jam_time; /* jamming time (after collision) */
249 unsigned char mmw_unused2[1]; /* unused */
250 unsigned char mmw_thr_pre_set; /* level threshold preset */
251 /* Discard all packet with signal < this value (4) */
252 unsigned char mmw_decay_prm; /* decay parameters */
253 unsigned char mmw_decay_updat_prm; /* decay update parameters */
254 unsigned char mmw_quality_thr; /* quality (z-quotient) threshold */
255 /* Discard all packet with quality < this value (3) */
256 unsigned char mmw_netw_id_l; /* NWID low order byte */
257 unsigned char mmw_netw_id_h; /* NWID high order byte */
258 /* Network ID or Domain : create virtual net on the air */
259
260 /* 2.0 Hardware extension - frequency selection support */
261 unsigned char mmw_mode_select; /* for analog tests (set to 0) */
262 unsigned char mmw_unused3[1]; /* unused */
263 unsigned char mmw_fee_ctrl; /* frequency EEPROM control */
264#define MMW_FEE_CTRL_PRE 0x10 /* Enable protected instructions. */
265#define MMW_FEE_CTRL_DWLD 0x08 /* Download EEPROM to mmc. */
266#define MMW_FEE_CTRL_CMD 0x07 /* EEPROM commands: */
267#define MMW_FEE_CTRL_READ 0x06 /* Read */
268#define MMW_FEE_CTRL_WREN 0x04 /* Write enable */
269#define MMW_FEE_CTRL_WRITE 0x05 /* Write data to address. */
270#define MMW_FEE_CTRL_WRALL 0x04 /* Write data to all addresses. */
271#define MMW_FEE_CTRL_WDS 0x04 /* Write disable */
272#define MMW_FEE_CTRL_PRREAD 0x16 /* Read addr from protect register */
273#define MMW_FEE_CTRL_PREN 0x14 /* Protect register enable */
274#define MMW_FEE_CTRL_PRCLEAR 0x17 /* Unprotect all registers. */
275#define MMW_FEE_CTRL_PRWRITE 0x15 /* Write address in protect register */
276#define MMW_FEE_CTRL_PRDS 0x14 /* Protect register disable */
277 /* Never issue the PRDS command: it's irreversible! */
278
279 unsigned char mmw_fee_addr; /* EEPROM address */
280#define MMW_FEE_ADDR_CHANNEL 0xF0 /* Select the channel. */
281#define MMW_FEE_ADDR_OFFSET 0x0F /* Offset in channel data */
282#define MMW_FEE_ADDR_EN 0xC0 /* FEE_CTRL enable operations */
283#define MMW_FEE_ADDR_DS 0x00 /* FEE_CTRL disable operations */
284#define MMW_FEE_ADDR_ALL 0x40 /* FEE_CTRL all operations */
285#define MMW_FEE_ADDR_CLEAR 0xFF /* FEE_CTRL clear operations */
286
287 unsigned char mmw_fee_data_l; /* Write data to EEPROM. */
288 unsigned char mmw_fee_data_h; /* high octet */
289 unsigned char mmw_ext_ant; /* Setting for external antenna */
290#define MMW_EXT_ANT_EXTANT 0x01 /* Select external antenna */
291#define MMW_EXT_ANT_POL 0x02 /* Polarity of the antenna */
292#define MMW_EXT_ANT_INTERNAL 0x00 /* Internal antenna */
293#define MMW_EXT_ANT_EXTERNAL 0x03 /* External antenna */
294#define MMW_EXT_ANT_IQ_TEST 0x1C /* IQ test pattern (set to 0) */
295} __attribute__ ((packed));
296
297#define MMW_SIZE 37
298
299#define mmwoff(p,f) (unsigned short)((void *)(&((mmw_t *)((void *)0 + (p)))->f) - (void *)0)
300
301/*
302 * Modem Management Controller (MMC) read structure.
303 */
304typedef struct mmr_t mmr_t;
305struct mmr_t
306{
307 unsigned char mmr_unused0[8]; /* unused */
308 unsigned char mmr_des_status; /* encryption status */
309 unsigned char mmr_des_avail; /* encryption available (0x55 read) */
310#define MMR_DES_AVAIL_DES 0x55 /* DES available */
311#define MMR_DES_AVAIL_AES 0x33 /* AES (AT&T) available */
312 unsigned char mmr_des_io_invert; /* des I/O invert register */
313 unsigned char mmr_unused1[5]; /* unused */
314 unsigned char mmr_dce_status; /* DCE status */
315#define MMR_DCE_STATUS_RX_BUSY 0x01 /* receiver busy */
316#define MMR_DCE_STATUS_LOOPT_IND 0x02 /* loop test indicated */
317#define MMR_DCE_STATUS_TX_BUSY 0x04 /* transmitter on */
318#define MMR_DCE_STATUS_JBR_EXPIRED 0x08 /* jabber timer expired */
319#define MMR_DCE_STATUS 0x0F /* mask to get the bits */
320 unsigned char mmr_dsp_id; /* DSP ID (AA = Daedalus rev A) */
321 unsigned char mmr_unused2[2]; /* unused */
322 unsigned char mmr_correct_nwid_l; /* # of correct NWIDs rxd (low) */
323 unsigned char mmr_correct_nwid_h; /* # of correct NWIDs rxd (high) */
324 /* Warning: read high-order octet first! */
325 unsigned char mmr_wrong_nwid_l; /* # of wrong NWIDs rxd (low) */
326 unsigned char mmr_wrong_nwid_h; /* # of wrong NWIDs rxd (high) */
327 unsigned char mmr_thr_pre_set; /* level threshold preset */
328#define MMR_THR_PRE_SET 0x3F /* level threshold preset */
329#define MMR_THR_PRE_SET_CUR 0x80 /* Current signal above it */
330 unsigned char mmr_signal_lvl; /* signal level */
331#define MMR_SIGNAL_LVL 0x3F /* signal level */
332#define MMR_SIGNAL_LVL_VALID 0x80 /* Updated since last read */
333 unsigned char mmr_silence_lvl; /* silence level (noise) */
334#define MMR_SILENCE_LVL 0x3F /* silence level */
335#define MMR_SILENCE_LVL_VALID 0x80 /* Updated since last read */
336 unsigned char mmr_sgnl_qual; /* signal quality */
337#define MMR_SGNL_QUAL 0x0F /* signal quality */
338#define MMR_SGNL_QUAL_ANT 0x80 /* current antenna used */
339 unsigned char mmr_netw_id_l; /* NWID low order byte (?) */
340 unsigned char mmr_unused3[3]; /* unused */
341
342 /* 2.0 Hardware extension - frequency selection support */
343 unsigned char mmr_fee_status; /* Status of frequency EEPROM */
344#define MMR_FEE_STATUS_ID 0xF0 /* Modem revision ID */
345#define MMR_FEE_STATUS_DWLD 0x08 /* Download in progress */
346#define MMR_FEE_STATUS_BUSY 0x04 /* EEPROM busy */
347 unsigned char mmr_unused4[1]; /* unused */
348 unsigned char mmr_fee_data_l; /* Read data from EEPROM (low) */
349 unsigned char mmr_fee_data_h; /* Read data from EEPROM (high) */
350} __attribute__ ((packed));
351
352#define MMR_SIZE 36
353
354#define mmroff(p,f) (unsigned short)((void *)(&((mmr_t *)((void *)0 + (p)))->f) - (void *)0)
355
356/* Make the two above structures one */
357typedef union mm_t
358{
359 struct mmw_t w; /* Write to the mmc */
360 struct mmr_t r; /* Read from the mmc */
361} mm_t;
362
363#endif /* _WAVELAN_H */
364
365/*
366 * This software may only be used and distributed
367 * according to the terms of the GNU General Public License.
368 *
369 * For more details, see wavelan.c.
370 */
diff --git a/drivers/net/wireless/wavelan.p.h b/drivers/net/wireless/wavelan.p.h
deleted file mode 100644
index dbe8de6e5f52..000000000000
--- a/drivers/net/wireless/wavelan.p.h
+++ /dev/null
@@ -1,696 +0,0 @@
1/*
2 * WaveLAN ISA driver
3 *
4 * Jean II - HPLB '96
5 *
6 * Reorganisation and extension of the driver.
7 *
8 * This file contains all definitions and declarations necessary for the
9 * WaveLAN ISA driver. This file is a private header, so it should
10 * be included only in wavelan.c!
11 */
12
13#ifndef WAVELAN_P_H
14#define WAVELAN_P_H
15
16/************************** DOCUMENTATION ***************************/
17/*
18 * This driver provides a Linux interface to the WaveLAN ISA hardware.
19 * The WaveLAN is a product of Lucent (http://www.wavelan.com/).
20 * This division was formerly part of NCR and then AT&T.
21 * WaveLANs are also distributed by DEC (RoamAbout DS) and Digital Ocean.
22 *
23 * To learn how to use this driver, read the NET3 HOWTO.
24 * If you want to exploit the many other functionalities, read the comments
25 * in the code.
26 *
27 * This driver is the result of the effort of many people (see below).
28 */
29
30/* ------------------------ SPECIFIC NOTES ------------------------ */
31/*
32 * Web page
33 * --------
34 * I try to maintain a web page with the Wireless LAN Howto at :
35 * http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Wavelan.html
36 *
37 * SMP
38 * ---
39 * We now are SMP compliant (I eventually fixed the remaining bugs).
40 * The driver has been tested on a dual P6-150 and survived my usual
41 * set of torture tests.
42 * Anyway, I spent enough time chasing interrupt re-entrancy during
43 * errors or reconfigure, and I designed the locked/unlocked sections
44 * of the driver with great care, and with the recent addition of
45 * the spinlock (thanks to the new API), we should be quite close to
46 * the truth.
47 * The SMP/IRQ locking is quite coarse and conservative (i.e. not fast),
48 * but better safe than sorry (especially at 2 Mb/s ;-).
49 *
50 * I have also looked into disabling only our interrupt on the card
51 * (via HACR) instead of all interrupts in the processor (via cli),
52 * so that other driver are not impacted, and it look like it's
53 * possible, but it's very tricky to do right (full of races). As
54 * the gain would be mostly for SMP systems, it can wait...
55 *
56 * Debugging and options
57 * ---------------------
58 * You will find below a set of '#define" allowing a very fine control
59 * on the driver behaviour and the debug messages printed.
60 * The main options are :
61 * o SET_PSA_CRC, to have your card correctly recognised by
62 * an access point and the Point-to-Point diagnostic tool.
63 * o USE_PSA_CONFIG, to read configuration from the PSA (EEprom)
64 * (otherwise we always start afresh with some defaults)
65 *
66 * wavelan.o is too darned big
67 * ---------------------------
68 * That's true! There is a very simple way to reduce the driver
69 * object by 33%! Comment out the following line:
70 * #include <linux/wireless.h>
71 * Other compile options can also reduce the size of it...
72 *
73 * MAC address and hardware detection:
74 * -----------------------------------
75 * The detection code for the WaveLAN checks that the first three
76 * octets of the MAC address fit the company code. This type of
77 * detection works well for AT&T cards (because the AT&T code is
78 * hardcoded in wavelan.h), but of course will fail for other
79 * manufacturers.
80 *
81 * If you are sure that your card is derived from the WaveLAN,
82 * here is the way to configure it:
83 * 1) Get your MAC address
84 * a) With your card utilities (wfreqsel, instconf, etc.)
85 * b) With the driver:
86 * o compile the kernel with DEBUG_CONFIG_INFO enabled
87 * o Boot and look the card messages
88 * 2) Set your MAC code (3 octets) in MAC_ADDRESSES[][3] (wavelan.h)
89 * 3) Compile and verify
90 * 4) Send me the MAC code. I will include it in the next version.
91 *
92 */
93
94/* --------------------- WIRELESS EXTENSIONS --------------------- */
95/*
96 * This driver is the first to support "wireless extensions".
97 * This set of extensions provides a standard way to control the wireless
98 * characteristics of the hardware. Applications such as mobile IP may
99 * take advantage of it.
100 *
101 * It might be a good idea as well to fetch the wireless tools to
102 * configure the device and play a bit.
103 */
104
105/* ---------------------------- FILES ---------------------------- */
106/*
107 * wavelan.c: actual code for the driver: C functions
108 *
109 * wavelan.p.h: private header: local types and variables for driver
110 *
111 * wavelan.h: description of the hardware interface and structs
112 *
113 * i82586.h: description of the Ethernet controller
114 */
115
116/* --------------------------- HISTORY --------------------------- */
117/*
118 * This is based on information in the drivers' headers. It may not be
119 * accurate, and I guarantee only my best effort.
120 *
121 * The history of the WaveLAN drivers is as complicated as the history of
122 * the WaveLAN itself (NCR -> AT&T -> Lucent).
123 *
124 * It all started with Anders Klemets <klemets@paul.rutgers.edu>
125 * writing a WaveLAN ISA driver for the Mach microkernel. Girish
126 * Welling <welling@paul.rutgers.edu> had also worked on it.
127 * Keith Moore modified this for the PCMCIA hardware.
128 *
129 * Robert Morris <rtm@das.harvard.edu> ported these two drivers to BSDI
130 * and added specific PCMCIA support (there is currently no equivalent
131 * of the PCMCIA package under BSD).
132 *
133 * Jim Binkley <jrb@cs.pdx.edu> ported both BSDI drivers to FreeBSD.
134 *
135 * Bruce Janson <bruce@cs.usyd.edu.au> ported the BSDI ISA driver to Linux.
136 *
137 * Anthony D. Joseph <adj@lcs.mit.edu> started to modify Bruce's driver
138 * (with help of the BSDI PCMCIA driver) for PCMCIA.
139 * Yunzhou Li <yunzhou@strat.iol.unh.edu> finished this work.
140 * Joe Finney <joe@comp.lancs.ac.uk> patched the driver to start
141 * 2.00 cards correctly (2.4 GHz with frequency selection).
142 * David Hinds <dahinds@users.sourceforge.net> integrated the whole in his
143 * PCMCIA package (and bug corrections).
144 *
145 * I (Jean Tourrilhes - jt@hplb.hpl.hp.com) then started to make some
146 * patches to the PCMCIA driver. Later, I added code in the ISA driver
147 * for Wireless Extensions and full support of frequency selection
148 * cards. Then, I did the same to the PCMCIA driver, and did some
149 * reorganisation. Finally, I came back to the ISA driver to
150 * upgrade it at the same level as the PCMCIA one and reorganise
151 * the code.
152 * Loeke Brederveld <lbrederv@wavelan.com> from Lucent has given me
153 * much needed information on the WaveLAN hardware.
154 */
155
156/* The original copyrights and literature mention others' names and
157 * credits. I don't know what their part in this development was.
158 */
159
160/* By the way, for the copyright and legal stuff:
161 * almost everybody wrote code under the GNU or BSD license (or similar),
162 * and want their original copyright to remain somewhere in the
163 * code (for myself, I go with the GPL).
164 * Nobody wants to take responsibility for anything, except the fame.
165 */
166
167/* --------------------------- CREDITS --------------------------- */
168/*
169 * This software was developed as a component of the
170 * Linux operating system.
171 * It is based on other device drivers and information
172 * either written or supplied by:
173 * Ajay Bakre <bakre@paul.rutgers.edu>,
174 * Donald Becker <becker@cesdis.gsfc.nasa.gov>,
175 * Loeke Brederveld <Loeke.Brederveld@Utrecht.NCR.com>,
176 * Brent Elphick <belphick@uwaterloo.ca>,
177 * Anders Klemets <klemets@it.kth.se>,
178 * Vladimir V. Kolpakov <w@stier.koenig.ru>,
179 * Marc Meertens <Marc.Meertens@Utrecht.NCR.com>,
180 * Pauline Middelink <middelin@polyware.iaf.nl>,
181 * Robert Morris <rtm@das.harvard.edu>,
182 * Jean Tourrilhes <jt@hpl.hp.com>,
183 * Girish Welling <welling@paul.rutgers.edu>,
184 * Clark Woodworth <clark@hiway1.exit109.com>
185 * Yongguang Zhang <ygz@isl.hrl.hac.com>
186 *
187 * Thanks go also to:
188 * James Ashton <jaa101@syseng.anu.edu.au>,
189 * Alan Cox <alan@lxorguk.ukuu.org.uk>,
190 * Allan Creighton <allanc@cs.usyd.edu.au>,
191 * Matthew Geier <matthew@cs.usyd.edu.au>,
192 * Remo di Giovanni <remo@cs.usyd.edu.au>,
193 * Eckhard Grah <grah@wrcs1.urz.uni-wuppertal.de>,
194 * Vipul Gupta <vgupta@cs.binghamton.edu>,
195 * Mark Hagan <mhagan@wtcpost.daytonoh.NCR.COM>,
196 * Tim Nicholson <tim@cs.usyd.edu.au>,
197 * Ian Parkin <ian@cs.usyd.edu.au>,
198 * John Rosenberg <johnr@cs.usyd.edu.au>,
199 * George Rossi <george@phm.gov.au>,
200 * Arthur Scott <arthur@cs.usyd.edu.au>,
201 * Stanislav Sinyagin <stas@isf.ru>
202 * and Peter Storey for their assistance and advice.
203 *
204 * Additional Credits:
205 *
206 * My development has been done initially under Debian 1.1 (Linux 2.0.x)
207 * and now under Debian 2.2, initially with an HP Vectra XP/60, and now
208 * an HP Vectra XP/90.
209 *
210 */
211
212/* ------------------------- IMPROVEMENTS ------------------------- */
213/*
214 * I proudly present:
215 *
216 * Changes made in first pre-release:
217 * ----------------------------------
218 * - reorganisation of the code, function name change
219 * - creation of private header (wavelan.p.h)
220 * - reorganised debug messages
221 * - more comments, history, etc.
222 * - mmc_init: configure the PSA if not done
223 * - mmc_init: correct default value of level threshold for PCMCIA
224 * - mmc_init: 2.00 detection better code for 2.00 initialization
225 * - better info at startup
226 * - IRQ setting (note: this setting is permanent)
227 * - watchdog: change strategy (and solve module removal problems)
228 * - add wireless extensions (ioctl and get_wireless_stats)
229 * get/set nwid/frequency on fly, info for /proc/net/wireless
230 * - more wireless extensions: SETSPY and GETSPY
231 * - make wireless extensions optional
232 * - private ioctl to set/get quality and level threshold, histogram
233 * - remove /proc/net/wavelan
234 * - suppress useless stuff from lp (net_local)
235 * - kernel 2.1 support (copy_to/from_user instead of memcpy_to/fromfs)
236 * - add message level (debug stuff in /var/adm/debug and errors not
237 * displayed at console and still in /var/adm/messages)
238 * - multi device support
239 * - start fixing the probe (init code)
240 * - more inlines
241 * - man page
242 * - many other minor details and cleanups
243 *
244 * Changes made in second pre-release:
245 * -----------------------------------
246 * - clean up init code (probe and module init)
247 * - better multiple device support (module)
248 * - name assignment (module)
249 *
250 * Changes made in third pre-release:
251 * ----------------------------------
252 * - be more conservative on timers
253 * - preliminary support for multicast (I still lack some details)
254 *
255 * Changes made in fourth pre-release:
256 * -----------------------------------
257 * - multicast (revisited and finished)
258 * - avoid reset in set_multicast_list (a really big hack)
259 * if somebody could apply this code for other i82586 based drivers
260 * - share onboard memory 75% RU and 25% CU (instead of 50/50)
261 *
262 * Changes made for release in 2.1.15:
263 * -----------------------------------
264 * - change the detection code for multi manufacturer code support
265 *
266 * Changes made for release in 2.1.17:
267 * -----------------------------------
268 * - update to wireless extensions changes
269 * - silly bug in card initial configuration (psa_conf_status)
270 *
271 * Changes made for release in 2.1.27 & 2.0.30:
272 * --------------------------------------------
273 * - small bug in debug code (probably not the last one...)
274 * - remove extern keyword for wavelan_probe()
275 * - level threshold is now a standard wireless extension (version 4 !)
276 * - modules parameters types (new module interface)
277 *
278 * Changes made for release in 2.1.36:
279 * -----------------------------------
280 * - byte count stats (courtesy of David Hinds)
281 * - remove dev_tint stuff (courtesy of David Hinds)
282 * - encryption setting from Brent Elphick (thanks a lot!)
283 * - 'ioaddr' to 'u_long' for the Alpha (thanks to Stanislav Sinyagin)
284 *
285 * Other changes (not by me) :
286 * -------------------------
287 * - Spelling and gramar "rectification".
288 *
289 * Changes made for release in 2.0.37 & 2.2.2 :
290 * ------------------------------------------
291 * - Correct status in /proc/net/wireless
292 * - Set PSA CRC to make PtP diagnostic tool happy (Bob Gray)
293 * - Module init code don't fail if we found at least one card in
294 * the address list (Karlis Peisenieks)
295 * - Missing parenthesis (Christopher Peterson)
296 * - Correct i82586 configuration parameters
297 * - Encryption initialisation bug (Robert McCormack)
298 * - New mac addresses detected in the probe
299 * - Increase watchdog for busy environments
300 *
301 * Changes made for release in 2.0.38 & 2.2.7 :
302 * ------------------------------------------
303 * - Correct the reception logic to better report errors and avoid
304 * sending bogus packet up the stack
305 * - Delay RU config to avoid corrupting first received packet
306 * - Change config completion code (to actually check something)
307 * - Avoid reading out of bound in skbuf to transmit
308 * - Rectify a lot of (useless) debugging code
309 * - Change the way to `#ifdef SET_PSA_CRC'
310 *
311 * Changes made for release in 2.2.11 & 2.3.13 :
312 * -------------------------------------------
313 * - Change e-mail and web page addresses
314 * - Watchdog timer is now correctly expressed in HZ, not in jiffies
315 * - Add channel number to the list of frequencies in range
316 * - Add the (short) list of bit-rates in range
317 * - Developp a new sensitivity... (sens.value & sens.fixed)
318 *
319 * Changes made for release in 2.2.14 & 2.3.23 :
320 * -------------------------------------------
321 * - Fix check for root permission (break instead of exit)
322 * - New nwid & encoding setting (Wireless Extension 9)
323 *
324 * Changes made for release in 2.3.49 :
325 * ----------------------------------
326 * - Indentation reformating (Alan)
327 * - Update to new network API (softnet - 2.3.43) :
328 * o replace dev->tbusy (Alan)
329 * o replace dev->tstart (Alan)
330 * o remove dev->interrupt (Alan)
331 * o add SMP locking via spinlock in splxx (me)
332 * o add spinlock in interrupt handler (me)
333 * o use kernel watchdog instead of ours (me)
334 * o increase watchdog timeout (kernel is more sensitive) (me)
335 * o verify that all the changes make sense and work (me)
336 * - Fixup a potential gotcha when reconfiguring and thighten a bit
337 * the interactions with Tx queue.
338 *
339 * Changes made for release in 2.4.0 :
340 * ---------------------------------
341 * - Fix spinlock stupid bugs that I left in. The driver is now SMP
342 * compliant and doesn't lockup at startup.
343 *
344 * Changes made for release in 2.5.2 :
345 * ---------------------------------
346 * - Use new driver API for Wireless Extensions :
347 * o got rid of wavelan_ioctl()
348 * o use a bunch of iw_handler instead
349 *
350 * Changes made for release in 2.5.35 :
351 * ----------------------------------
352 * - Set dev->trans_start to avoid filling the logs
353 * - Handle better spurious/bogus interrupt
354 * - Avoid deadlocks in mmc_out()/mmc_in()
355 *
356 * Wishes & dreams:
357 * ----------------
358 * - roaming (see Pcmcia driver)
359 */
360
361/***************************** INCLUDES *****************************/
362
363#include <linux/module.h>
364
365#include <linux/kernel.h>
366#include <linux/sched.h>
367#include <linux/types.h>
368#include <linux/fcntl.h>
369#include <linux/interrupt.h>
370#include <linux/stat.h>
371#include <linux/ptrace.h>
372#include <linux/ioport.h>
373#include <linux/in.h>
374#include <linux/string.h>
375#include <linux/delay.h>
376#include <linux/bitops.h>
377#include <asm/system.h>
378#include <asm/io.h>
379#include <asm/dma.h>
380#include <asm/uaccess.h>
381#include <linux/errno.h>
382#include <linux/netdevice.h>
383#include <linux/etherdevice.h>
384#include <linux/skbuff.h>
385#include <linux/slab.h>
386#include <linux/timer.h>
387#include <linux/init.h>
388
389#include <linux/wireless.h> /* Wireless extensions */
390#include <net/iw_handler.h> /* Wireless handlers */
391
392/* WaveLAN declarations */
393#include "i82586.h"
394#include "wavelan.h"
395
396/************************** DRIVER OPTIONS **************************/
397/*
398 * `#define' or `#undef' the following constant to change the behaviour
399 * of the driver...
400 */
401#undef SET_PSA_CRC /* Calculate and set the CRC on PSA (slower) */
402#define USE_PSA_CONFIG /* Use info from the PSA. */
403#undef EEPROM_IS_PROTECTED /* doesn't seem to be necessary */
404#define MULTICAST_AVOID /* Avoid extra multicast (I'm sceptical). */
405#undef SET_MAC_ADDRESS /* Experimental */
406
407/* Warning: this stuff will slow down the driver. */
408#define WIRELESS_SPY /* Enable spying addresses. */
409#undef HISTOGRAM /* Enable histogram of signal level. */
410
411/****************************** DEBUG ******************************/
412
413#undef DEBUG_MODULE_TRACE /* module insertion/removal */
414#undef DEBUG_CALLBACK_TRACE /* calls made by Linux */
415#undef DEBUG_INTERRUPT_TRACE /* calls to handler */
416#undef DEBUG_INTERRUPT_INFO /* type of interrupt and so on */
417#define DEBUG_INTERRUPT_ERROR /* problems */
418#undef DEBUG_CONFIG_TRACE /* Trace the config functions. */
419#undef DEBUG_CONFIG_INFO /* what's going on */
420#define DEBUG_CONFIG_ERROR /* errors on configuration */
421#undef DEBUG_TX_TRACE /* transmission calls */
422#undef DEBUG_TX_INFO /* header of the transmitted packet */
423#undef DEBUG_TX_FAIL /* Normal failure conditions */
424#define DEBUG_TX_ERROR /* Unexpected conditions */
425#undef DEBUG_RX_TRACE /* transmission calls */
426#undef DEBUG_RX_INFO /* header of the received packet */
427#undef DEBUG_RX_FAIL /* Normal failure conditions */
428#define DEBUG_RX_ERROR /* Unexpected conditions */
429
430#undef DEBUG_PACKET_DUMP /* Dump packet on the screen if defined to 32. */
431#undef DEBUG_IOCTL_TRACE /* misc. call by Linux */
432#undef DEBUG_IOCTL_INFO /* various debugging info */
433#define DEBUG_IOCTL_ERROR /* what's going wrong */
434#define DEBUG_BASIC_SHOW /* Show basic startup info. */
435#undef DEBUG_VERSION_SHOW /* Print version info. */
436#undef DEBUG_PSA_SHOW /* Dump PSA to screen. */
437#undef DEBUG_MMC_SHOW /* Dump mmc to screen. */
438#undef DEBUG_SHOW_UNUSED /* Show unused fields too. */
439#undef DEBUG_I82586_SHOW /* Show i82586 status. */
440#undef DEBUG_DEVICE_SHOW /* Show device parameters. */
441
442/************************ CONSTANTS & MACROS ************************/
443
444#ifdef DEBUG_VERSION_SHOW
445static const char *version = "wavelan.c : v24 (SMP + wireless extensions) 11/12/01\n";
446#endif
447
448/* Watchdog temporisation */
449#define WATCHDOG_JIFFIES (512*HZ/100)
450
451/* ------------------------ PRIVATE IOCTL ------------------------ */
452
453#define SIOCSIPQTHR SIOCIWFIRSTPRIV /* Set quality threshold */
454#define SIOCGIPQTHR SIOCIWFIRSTPRIV + 1 /* Get quality threshold */
455
456#define SIOCSIPHISTO SIOCIWFIRSTPRIV + 2 /* Set histogram ranges */
457#define SIOCGIPHISTO SIOCIWFIRSTPRIV + 3 /* Get histogram values */
458
459/****************************** TYPES ******************************/
460
461/* Shortcuts */
462typedef struct iw_statistics iw_stats;
463typedef struct iw_quality iw_qual;
464typedef struct iw_freq iw_freq;typedef struct net_local net_local;
465typedef struct timer_list timer_list;
466
467/* Basic types */
468typedef u_char mac_addr[WAVELAN_ADDR_SIZE]; /* Hardware address */
469
470/*
471 * Static specific data for the interface.
472 *
473 * For each network interface, Linux keeps data in two structures: "device"
474 * keeps the generic data (same format for everybody) and "net_local" keeps
475 * additional specific data.
476 */
477struct net_local
478{
479 net_local * next; /* linked list of the devices */
480 struct net_device * dev; /* reverse link */
481 spinlock_t spinlock; /* Serialize access to the hardware (SMP) */
482 int nresets; /* number of hardware resets */
483 u_char reconfig_82586; /* We need to reconfigure the controller. */
484 u_char promiscuous; /* promiscuous mode */
485 int mc_count; /* number of multicast addresses */
486 u_short hacr; /* current host interface state */
487
488 int tx_n_in_use;
489 u_short rx_head;
490 u_short rx_last;
491 u_short tx_first_free;
492 u_short tx_first_in_use;
493
494 iw_stats wstats; /* Wireless-specific statistics */
495
496 struct iw_spy_data spy_data;
497 struct iw_public_data wireless_data;
498
499#ifdef HISTOGRAM
500 int his_number; /* number of intervals */
501 u_char his_range[16]; /* boundaries of interval ]n-1; n] */
502 u_long his_sum[16]; /* sum in interval */
503#endif /* HISTOGRAM */
504};
505
506/**************************** PROTOTYPES ****************************/
507
508/* ----------------------- MISC. SUBROUTINES ------------------------ */
509static u_char
510 wv_irq_to_psa(int);
511static int
512 wv_psa_to_irq(u_char);
513/* ------------------- HOST ADAPTER SUBROUTINES ------------------- */
514static inline u_short /* data */
515 hasr_read(u_long); /* Read the host interface: base address */
516static inline void
517 hacr_write(u_long, /* Write to host interface: base address */
518 u_short), /* data */
519 hacr_write_slow(u_long,
520 u_short),
521 set_chan_attn(u_long, /* ioaddr */
522 u_short), /* hacr */
523 wv_hacr_reset(u_long), /* ioaddr */
524 wv_16_off(u_long, /* ioaddr */
525 u_short), /* hacr */
526 wv_16_on(u_long, /* ioaddr */
527 u_short), /* hacr */
528 wv_ints_off(struct net_device *),
529 wv_ints_on(struct net_device *);
530/* ----------------- MODEM MANAGEMENT SUBROUTINES ----------------- */
531static void
532 psa_read(u_long, /* Read the Parameter Storage Area. */
533 u_short, /* hacr */
534 int, /* offset in PSA */
535 u_char *, /* buffer to fill */
536 int), /* size to read */
537 psa_write(u_long, /* Write to the PSA. */
538 u_short, /* hacr */
539 int, /* offset in PSA */
540 u_char *, /* buffer in memory */
541 int); /* length of buffer */
542static inline void
543 mmc_out(u_long, /* Write 1 byte to the Modem Manag Control. */
544 u_short,
545 u_char),
546 mmc_write(u_long, /* Write n bytes to the MMC. */
547 u_char,
548 u_char *,
549 int);
550static inline u_char /* Read 1 byte from the MMC. */
551 mmc_in(u_long,
552 u_short);
553static inline void
554 mmc_read(u_long, /* Read n bytes from the MMC. */
555 u_char,
556 u_char *,
557 int),
558 fee_wait(u_long, /* Wait for frequency EEPROM: base address */
559 int, /* base delay to wait for */
560 int); /* time to wait */
561static void
562 fee_read(u_long, /* Read the frequency EEPROM: base address */
563 u_short, /* destination offset */
564 u_short *, /* data buffer */
565 int); /* number of registers */
566/* ---------------------- I82586 SUBROUTINES ----------------------- */
567static /*inline*/ void
568 obram_read(u_long, /* ioaddr */
569 u_short, /* o */
570 u_char *, /* b */
571 int); /* n */
572static inline void
573 obram_write(u_long, /* ioaddr */
574 u_short, /* o */
575 u_char *, /* b */
576 int); /* n */
577static void
578 wv_ack(struct net_device *);
579static inline int
580 wv_synchronous_cmd(struct net_device *,
581 const char *),
582 wv_config_complete(struct net_device *,
583 u_long,
584 net_local *);
585static int
586 wv_complete(struct net_device *,
587 u_long,
588 net_local *);
589static inline void
590 wv_82586_reconfig(struct net_device *);
591/* ------------------- DEBUG & INFO SUBROUTINES ------------------- */
592#ifdef DEBUG_I82586_SHOW
593static void
594 wv_scb_show(unsigned short);
595#endif
596static inline void
597 wv_init_info(struct net_device *); /* display startup info */
598/* ------------------- IOCTL, STATS & RECONFIG ------------------- */
599static iw_stats *
600 wavelan_get_wireless_stats(struct net_device *);
601static void
602 wavelan_set_multicast_list(struct net_device *);
603/* ----------------------- PACKET RECEPTION ----------------------- */
604static inline void
605 wv_packet_read(struct net_device *, /* Read a packet from a frame. */
606 u_short,
607 int),
608 wv_receive(struct net_device *); /* Read all packets waiting. */
609/* --------------------- PACKET TRANSMISSION --------------------- */
610static inline int
611 wv_packet_write(struct net_device *, /* Write a packet to the Tx buffer. */
612 void *,
613 short);
614static netdev_tx_t
615 wavelan_packet_xmit(struct sk_buff *, /* Send a packet. */
616 struct net_device *);
617/* -------------------- HARDWARE CONFIGURATION -------------------- */
618static inline int
619 wv_mmc_init(struct net_device *), /* Initialize the modem. */
620 wv_ru_start(struct net_device *), /* Start the i82586 receiver unit. */
621 wv_cu_start(struct net_device *), /* Start the i82586 command unit. */
622 wv_82586_start(struct net_device *); /* Start the i82586. */
623static void
624 wv_82586_config(struct net_device *); /* Configure the i82586. */
625static inline void
626 wv_82586_stop(struct net_device *);
627static int
628 wv_hw_reset(struct net_device *), /* Reset the WaveLAN hardware. */
629 wv_check_ioaddr(u_long, /* ioaddr */
630 u_char *); /* mac address (read) */
631/* ---------------------- INTERRUPT HANDLING ---------------------- */
632static irqreturn_t
633 wavelan_interrupt(int, /* interrupt handler */
634 void *);
635static void
636 wavelan_watchdog(struct net_device *); /* transmission watchdog */
637/* ------------------- CONFIGURATION CALLBACKS ------------------- */
638static int
639 wavelan_open(struct net_device *), /* Open the device. */
640 wavelan_close(struct net_device *), /* Close the device. */
641 wavelan_config(struct net_device *, unsigned short);/* Configure one device. */
642extern struct net_device *wavelan_probe(int unit); /* See Space.c. */
643
644/**************************** VARIABLES ****************************/
645
646/*
647 * This is the root of the linked list of WaveLAN drivers
648 * It is use to verify that we don't reuse the same base address
649 * for two different drivers and to clean up when removing the module.
650 */
651static net_local * wavelan_list = (net_local *) NULL;
652
653/*
654 * This table is used to translate the PSA value to IRQ number
655 * and vice versa.
656 */
657static u_char irqvals[] =
658{
659 0, 0, 0, 0x01,
660 0x02, 0x04, 0, 0x08,
661 0, 0, 0x10, 0x20,
662 0x40, 0, 0, 0x80,
663};
664
665/*
666 * Table of the available I/O addresses (base addresses) for WaveLAN
667 */
668static unsigned short iobase[] =
669{
670#if 0
671 /* Leave out 0x3C0 for now -- seems to clash with some video
672 * controllers.
673 * Leave out the others too -- we will always use 0x390 and leave
674 * 0x300 for the Ethernet device.
675 * Jean II: 0x3E0 is fine as well.
676 */
677 0x300, 0x390, 0x3E0, 0x3C0
678#endif /* 0 */
679 0x390, 0x3E0
680};
681
682#ifdef MODULE
683/* Parameters set by insmod */
684static int io[4];
685static int irq[4];
686static char *name[4];
687module_param_array(io, int, NULL, 0);
688module_param_array(irq, int, NULL, 0);
689module_param_array(name, charp, NULL, 0);
690
691MODULE_PARM_DESC(io, "WaveLAN I/O base address(es),required");
692MODULE_PARM_DESC(irq, "WaveLAN IRQ number(s)");
693MODULE_PARM_DESC(name, "WaveLAN interface neme(s)");
694#endif /* MODULE */
695
696#endif /* WAVELAN_P_H */
diff --git a/drivers/net/wireless/wavelan_cs.c b/drivers/net/wireless/wavelan_cs.c
deleted file mode 100644
index 431a20ec6db6..000000000000
--- a/drivers/net/wireless/wavelan_cs.c
+++ /dev/null
@@ -1,4635 +0,0 @@
1/*
2 * Wavelan Pcmcia driver
3 *
4 * Jean II - HPLB '96
5 *
6 * Reorganisation and extension of the driver.
7 * Original copyright follow. See wavelan_cs.p.h for details.
8 *
9 * This code is derived from Anthony D. Joseph's code and all the changes here
10 * are also under the original copyright below.
11 *
12 * This code supports version 2.00 of WaveLAN/PCMCIA cards (2.4GHz), and
13 * can work on Linux 2.0.36 with support of David Hinds' PCMCIA Card Services
14 *
15 * Joe Finney (joe@comp.lancs.ac.uk) at Lancaster University in UK added
16 * critical code in the routine to initialize the Modem Management Controller.
17 *
18 * Thanks to Alan Cox and Bruce Janson for their advice.
19 *
20 * -- Yunzhou Li (scip4166@nus.sg)
21 *
22#ifdef WAVELAN_ROAMING
23 * Roaming support added 07/22/98 by Justin Seger (jseger@media.mit.edu)
24 * based on patch by Joe Finney from Lancaster University.
25#endif
26 *
27 * Lucent (formerly AT&T GIS, formerly NCR) WaveLAN PCMCIA card: An
28 * Ethernet-like radio transceiver controlled by an Intel 82593 coprocessor.
29 *
30 * A non-shared memory PCMCIA ethernet driver for linux
31 *
32 * ISA version modified to support PCMCIA by Anthony Joseph (adj@lcs.mit.edu)
33 *
34 *
35 * Joseph O'Sullivan & John Langford (josullvn@cs.cmu.edu & jcl@cs.cmu.edu)
36 *
37 * Apr 2 '98 made changes to bring the i82593 control/int handling in line
38 * with offical specs...
39 *
40 ****************************************************************************
41 * Copyright 1995
42 * Anthony D. Joseph
43 * Massachusetts Institute of Technology
44 *
45 * Permission to use, copy, modify, and distribute this program
46 * for any purpose and without fee is hereby granted, provided
47 * that this copyright and permission notice appear on all copies
48 * and supporting documentation, the name of M.I.T. not be used
49 * in advertising or publicity pertaining to distribution of the
50 * program without specific prior permission, and notice be given
51 * in supporting documentation that copying and distribution is
52 * by permission of M.I.T. M.I.T. makes no representations about
53 * the suitability of this software for any purpose. It is pro-
54 * vided "as is" without express or implied warranty.
55 ****************************************************************************
56 *
57 */
58
59/* Do *NOT* add other headers here, you are guaranteed to be wrong - Jean II */
60#include "wavelan_cs.p.h" /* Private header */
61
62#ifdef WAVELAN_ROAMING
63static void wl_cell_expiry(unsigned long data);
64static void wl_del_wavepoint(wavepoint_history *wavepoint, struct net_local *lp);
65static void wv_nwid_filter(unsigned char mode, net_local *lp);
66#endif /* WAVELAN_ROAMING */
67
68/************************* MISC SUBROUTINES **************************/
69/*
70 * Subroutines which won't fit in one of the following category
71 * (wavelan modem or i82593)
72 */
73
74/******************* MODEM MANAGEMENT SUBROUTINES *******************/
75/*
76 * Useful subroutines to manage the modem of the wavelan
77 */
78
79/*------------------------------------------------------------------*/
80/*
81 * Read from card's Host Adaptor Status Register.
82 */
83static inline u_char
84hasr_read(u_long base)
85{
86 return(inb(HASR(base)));
87} /* hasr_read */
88
89/*------------------------------------------------------------------*/
90/*
91 * Write to card's Host Adapter Command Register.
92 */
93static inline void
94hacr_write(u_long base,
95 u_char hacr)
96{
97 outb(hacr, HACR(base));
98} /* hacr_write */
99
100/*------------------------------------------------------------------*/
101/*
102 * Write to card's Host Adapter Command Register. Include a delay for
103 * those times when it is needed.
104 */
105static void
106hacr_write_slow(u_long base,
107 u_char hacr)
108{
109 hacr_write(base, hacr);
110 /* delay might only be needed sometimes */
111 mdelay(1);
112} /* hacr_write_slow */
113
114/*------------------------------------------------------------------*/
115/*
116 * Read the Parameter Storage Area from the WaveLAN card's memory
117 */
118static void
119psa_read(struct net_device * dev,
120 int o, /* offset in PSA */
121 u_char * b, /* buffer to fill */
122 int n) /* size to read */
123{
124 net_local *lp = netdev_priv(dev);
125 u_char __iomem *ptr = lp->mem + PSA_ADDR + (o << 1);
126
127 while(n-- > 0)
128 {
129 *b++ = readb(ptr);
130 /* Due to a lack of address decode pins, the WaveLAN PCMCIA card
131 * only supports reading even memory addresses. That means the
132 * increment here MUST be two.
133 * Because of that, we can't use memcpy_fromio()...
134 */
135 ptr += 2;
136 }
137} /* psa_read */
138
139/*------------------------------------------------------------------*/
140/*
141 * Write the Parameter Storage Area to the WaveLAN card's memory
142 */
143static void
144psa_write(struct net_device * dev,
145 int o, /* Offset in psa */
146 u_char * b, /* Buffer in memory */
147 int n) /* Length of buffer */
148{
149 net_local *lp = netdev_priv(dev);
150 u_char __iomem *ptr = lp->mem + PSA_ADDR + (o << 1);
151 int count = 0;
152 unsigned int base = dev->base_addr;
153 /* As there seem to have no flag PSA_BUSY as in the ISA model, we are
154 * oblige to verify this address to know when the PSA is ready... */
155 volatile u_char __iomem *verify = lp->mem + PSA_ADDR +
156 (psaoff(0, psa_comp_number) << 1);
157
158 /* Authorize writing to PSA */
159 hacr_write(base, HACR_PWR_STAT | HACR_ROM_WEN);
160
161 while(n-- > 0)
162 {
163 /* write to PSA */
164 writeb(*b++, ptr);
165 ptr += 2;
166
167 /* I don't have the spec, so I don't know what the correct
168 * sequence to write is. This hack seem to work for me... */
169 count = 0;
170 while((readb(verify) != PSA_COMP_PCMCIA_915) && (count++ < 100))
171 mdelay(1);
172 }
173
174 /* Put the host interface back in standard state */
175 hacr_write(base, HACR_DEFAULT);
176} /* psa_write */
177
178#ifdef SET_PSA_CRC
179/*------------------------------------------------------------------*/
180/*
181 * Calculate the PSA CRC
182 * Thanks to Valster, Nico <NVALSTER@wcnd.nl.lucent.com> for the code
183 * NOTE: By specifying a length including the CRC position the
184 * returned value should be zero. (i.e. a correct checksum in the PSA)
185 *
186 * The Windows drivers don't use the CRC, but the AP and the PtP tool
187 * depend on it.
188 */
189static u_short
190psa_crc(unsigned char * psa, /* The PSA */
191 int size) /* Number of short for CRC */
192{
193 int byte_cnt; /* Loop on the PSA */
194 u_short crc_bytes = 0; /* Data in the PSA */
195 int bit_cnt; /* Loop on the bits of the short */
196
197 for(byte_cnt = 0; byte_cnt < size; byte_cnt++ )
198 {
199 crc_bytes ^= psa[byte_cnt]; /* Its an xor */
200
201 for(bit_cnt = 1; bit_cnt < 9; bit_cnt++ )
202 {
203 if(crc_bytes & 0x0001)
204 crc_bytes = (crc_bytes >> 1) ^ 0xA001;
205 else
206 crc_bytes >>= 1 ;
207 }
208 }
209
210 return crc_bytes;
211} /* psa_crc */
212#endif /* SET_PSA_CRC */
213
214/*------------------------------------------------------------------*/
215/*
216 * update the checksum field in the Wavelan's PSA
217 */
218static void
219update_psa_checksum(struct net_device * dev)
220{
221#ifdef SET_PSA_CRC
222 psa_t psa;
223 u_short crc;
224
225 /* read the parameter storage area */
226 psa_read(dev, 0, (unsigned char *) &psa, sizeof(psa));
227
228 /* update the checksum */
229 crc = psa_crc((unsigned char *) &psa,
230 sizeof(psa) - sizeof(psa.psa_crc[0]) - sizeof(psa.psa_crc[1])
231 - sizeof(psa.psa_crc_status));
232
233 psa.psa_crc[0] = crc & 0xFF;
234 psa.psa_crc[1] = (crc & 0xFF00) >> 8;
235
236 /* Write it ! */
237 psa_write(dev, (char *)&psa.psa_crc - (char *)&psa,
238 (unsigned char *)&psa.psa_crc, 2);
239
240#ifdef DEBUG_IOCTL_INFO
241 printk (KERN_DEBUG "%s: update_psa_checksum(): crc = 0x%02x%02x\n",
242 dev->name, psa.psa_crc[0], psa.psa_crc[1]);
243
244 /* Check again (luxury !) */
245 crc = psa_crc((unsigned char *) &psa,
246 sizeof(psa) - sizeof(psa.psa_crc_status));
247
248 if(crc != 0)
249 printk(KERN_WARNING "%s: update_psa_checksum(): CRC does not agree with PSA data (even after recalculating)\n", dev->name);
250#endif /* DEBUG_IOCTL_INFO */
251#endif /* SET_PSA_CRC */
252} /* update_psa_checksum */
253
254/*------------------------------------------------------------------*/
255/*
256 * Write 1 byte to the MMC.
257 */
258static void
259mmc_out(u_long base,
260 u_short o,
261 u_char d)
262{
263 int count = 0;
264
265 /* Wait for MMC to go idle */
266 while((count++ < 100) && (inb(HASR(base)) & HASR_MMI_BUSY))
267 udelay(10);
268
269 outb((u_char)((o << 1) | MMR_MMI_WR), MMR(base));
270 outb(d, MMD(base));
271}
272
273/*------------------------------------------------------------------*/
274/*
275 * Routine to write bytes to the Modem Management Controller.
276 * We start by the end because it is the way it should be !
277 */
278static void
279mmc_write(u_long base,
280 u_char o,
281 u_char * b,
282 int n)
283{
284 o += n;
285 b += n;
286
287 while(n-- > 0 )
288 mmc_out(base, --o, *(--b));
289} /* mmc_write */
290
291/*------------------------------------------------------------------*/
292/*
293 * Read 1 byte from the MMC.
294 * Optimised version for 1 byte, avoid using memory...
295 */
296static u_char
297mmc_in(u_long base,
298 u_short o)
299{
300 int count = 0;
301
302 while((count++ < 100) && (inb(HASR(base)) & HASR_MMI_BUSY))
303 udelay(10);
304 outb(o << 1, MMR(base)); /* Set the read address */
305
306 outb(0, MMD(base)); /* Required dummy write */
307
308 while((count++ < 100) && (inb(HASR(base)) & HASR_MMI_BUSY))
309 udelay(10);
310 return (u_char) (inb(MMD(base))); /* Now do the actual read */
311}
312
313/*------------------------------------------------------------------*/
314/*
315 * Routine to read bytes from the Modem Management Controller.
316 * The implementation is complicated by a lack of address lines,
317 * which prevents decoding of the low-order bit.
318 * (code has just been moved in the above function)
319 * We start by the end because it is the way it should be !
320 */
321static void
322mmc_read(u_long base,
323 u_char o,
324 u_char * b,
325 int n)
326{
327 o += n;
328 b += n;
329
330 while(n-- > 0)
331 *(--b) = mmc_in(base, --o);
332} /* mmc_read */
333
334/*------------------------------------------------------------------*/
335/*
336 * Get the type of encryption available...
337 */
338static inline int
339mmc_encr(u_long base) /* i/o port of the card */
340{
341 int temp;
342
343 temp = mmc_in(base, mmroff(0, mmr_des_avail));
344 if((temp != MMR_DES_AVAIL_DES) && (temp != MMR_DES_AVAIL_AES))
345 return 0;
346 else
347 return temp;
348}
349
350/*------------------------------------------------------------------*/
351/*
352 * Wait for the frequency EEprom to complete a command...
353 */
354static void
355fee_wait(u_long base, /* i/o port of the card */
356 int delay, /* Base delay to wait for */
357 int number) /* Number of time to wait */
358{
359 int count = 0; /* Wait only a limited time */
360
361 while((count++ < number) &&
362 (mmc_in(base, mmroff(0, mmr_fee_status)) & MMR_FEE_STATUS_BUSY))
363 udelay(delay);
364}
365
366/*------------------------------------------------------------------*/
367/*
368 * Read bytes from the Frequency EEprom (frequency select cards).
369 */
370static void
371fee_read(u_long base, /* i/o port of the card */
372 u_short o, /* destination offset */
373 u_short * b, /* data buffer */
374 int n) /* number of registers */
375{
376 b += n; /* Position at the end of the area */
377
378 /* Write the address */
379 mmc_out(base, mmwoff(0, mmw_fee_addr), o + n - 1);
380
381 /* Loop on all buffer */
382 while(n-- > 0)
383 {
384 /* Write the read command */
385 mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_READ);
386
387 /* Wait until EEprom is ready (should be quick !) */
388 fee_wait(base, 10, 100);
389
390 /* Read the value */
391 *--b = ((mmc_in(base, mmroff(0, mmr_fee_data_h)) << 8) |
392 mmc_in(base, mmroff(0, mmr_fee_data_l)));
393 }
394}
395
396
397/*------------------------------------------------------------------*/
398/*
399 * Write bytes from the Frequency EEprom (frequency select cards).
400 * This is a bit complicated, because the frequency eeprom has to
401 * be unprotected and the write enabled.
402 * Jean II
403 */
404static void
405fee_write(u_long base, /* i/o port of the card */
406 u_short o, /* destination offset */
407 u_short * b, /* data buffer */
408 int n) /* number of registers */
409{
410 b += n; /* Position at the end of the area */
411
412#ifdef EEPROM_IS_PROTECTED /* disabled */
413#ifdef DOESNT_SEEM_TO_WORK /* disabled */
414 /* Ask to read the protected register */
415 mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRREAD);
416
417 fee_wait(base, 10, 100);
418
419 /* Read the protected register */
420 printk("Protected 2 : %02X-%02X\n",
421 mmc_in(base, mmroff(0, mmr_fee_data_h)),
422 mmc_in(base, mmroff(0, mmr_fee_data_l)));
423#endif /* DOESNT_SEEM_TO_WORK */
424
425 /* Enable protected register */
426 mmc_out(base, mmwoff(0, mmw_fee_addr), MMW_FEE_ADDR_EN);
427 mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PREN);
428
429 fee_wait(base, 10, 100);
430
431 /* Unprotect area */
432 mmc_out(base, mmwoff(0, mmw_fee_addr), o + n);
433 mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRWRITE);
434#ifdef DOESNT_SEEM_TO_WORK /* disabled */
435 /* Or use : */
436 mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRCLEAR);
437#endif /* DOESNT_SEEM_TO_WORK */
438
439 fee_wait(base, 10, 100);
440#endif /* EEPROM_IS_PROTECTED */
441
442 /* Write enable */
443 mmc_out(base, mmwoff(0, mmw_fee_addr), MMW_FEE_ADDR_EN);
444 mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_WREN);
445
446 fee_wait(base, 10, 100);
447
448 /* Write the EEprom address */
449 mmc_out(base, mmwoff(0, mmw_fee_addr), o + n - 1);
450
451 /* Loop on all buffer */
452 while(n-- > 0)
453 {
454 /* Write the value */
455 mmc_out(base, mmwoff(0, mmw_fee_data_h), (*--b) >> 8);
456 mmc_out(base, mmwoff(0, mmw_fee_data_l), *b & 0xFF);
457
458 /* Write the write command */
459 mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_WRITE);
460
461 /* Wavelan doc says : wait at least 10 ms for EEBUSY = 0 */
462 mdelay(10);
463 fee_wait(base, 10, 100);
464 }
465
466 /* Write disable */
467 mmc_out(base, mmwoff(0, mmw_fee_addr), MMW_FEE_ADDR_DS);
468 mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_WDS);
469
470 fee_wait(base, 10, 100);
471
472#ifdef EEPROM_IS_PROTECTED /* disabled */
473 /* Reprotect EEprom */
474 mmc_out(base, mmwoff(0, mmw_fee_addr), 0x00);
475 mmc_out(base, mmwoff(0, mmw_fee_ctrl), MMW_FEE_CTRL_PRWRITE);
476
477 fee_wait(base, 10, 100);
478#endif /* EEPROM_IS_PROTECTED */
479}
480
481/******************* WaveLAN Roaming routines... ********************/
482
483#ifdef WAVELAN_ROAMING /* Conditional compile, see wavelan_cs.h */
484
485static unsigned char WAVELAN_BEACON_ADDRESS[] = {0x09,0x00,0x0e,0x20,0x03,0x00};
486
487static void wv_roam_init(struct net_device *dev)
488{
489 net_local *lp= netdev_priv(dev);
490
491 /* Do not remove this unless you have a good reason */
492 printk(KERN_NOTICE "%s: Warning, you have enabled roaming on"
493 " device %s !\n", dev->name, dev->name);
494 printk(KERN_NOTICE "Roaming is currently an experimental unsupported feature"
495 " of the Wavelan driver.\n");
496 printk(KERN_NOTICE "It may work, but may also make the driver behave in"
497 " erratic ways or crash.\n");
498
499 lp->wavepoint_table.head=NULL; /* Initialise WavePoint table */
500 lp->wavepoint_table.num_wavepoints=0;
501 lp->wavepoint_table.locked=0;
502 lp->curr_point=NULL; /* No default WavePoint */
503 lp->cell_search=0;
504
505 lp->cell_timer.data=(long)lp; /* Start cell expiry timer */
506 lp->cell_timer.function=wl_cell_expiry;
507 lp->cell_timer.expires=jiffies+CELL_TIMEOUT;
508 add_timer(&lp->cell_timer);
509
510 wv_nwid_filter(NWID_PROMISC,lp) ; /* Enter NWID promiscuous mode */
511 /* to build up a good WavePoint */
512 /* table... */
513 printk(KERN_DEBUG "WaveLAN: Roaming enabled on device %s\n",dev->name);
514}
515
516static void wv_roam_cleanup(struct net_device *dev)
517{
518 wavepoint_history *ptr,*old_ptr;
519 net_local *lp= netdev_priv(dev);
520
521 printk(KERN_DEBUG "WaveLAN: Roaming Disabled on device %s\n",dev->name);
522
523 /* Fixme : maybe we should check that the timer exist before deleting it */
524 del_timer(&lp->cell_timer); /* Remove cell expiry timer */
525 ptr=lp->wavepoint_table.head; /* Clear device's WavePoint table */
526 while(ptr!=NULL)
527 {
528 old_ptr=ptr;
529 ptr=ptr->next;
530 wl_del_wavepoint(old_ptr,lp);
531 }
532}
533
534/* Enable/Disable NWID promiscuous mode on a given device */
535static void wv_nwid_filter(unsigned char mode, net_local *lp)
536{
537 mm_t m;
538 unsigned long flags;
539
540#ifdef WAVELAN_ROAMING_DEBUG
541 printk(KERN_DEBUG "WaveLAN: NWID promisc %s, device %s\n",(mode==NWID_PROMISC) ? "on" : "off", lp->dev->name);
542#endif
543
544 /* Disable interrupts & save flags */
545 spin_lock_irqsave(&lp->spinlock, flags);
546
547 m.w.mmw_loopt_sel = (mode==NWID_PROMISC) ? MMW_LOOPT_SEL_DIS_NWID : 0x00;
548 mmc_write(lp->dev->base_addr, (char *)&m.w.mmw_loopt_sel - (char *)&m, (unsigned char *)&m.w.mmw_loopt_sel, 1);
549
550 if(mode==NWID_PROMISC)
551 lp->cell_search=1;
552 else
553 lp->cell_search=0;
554
555 /* ReEnable interrupts & restore flags */
556 spin_unlock_irqrestore(&lp->spinlock, flags);
557}
558
559/* Find a record in the WavePoint table matching a given NWID */
560static wavepoint_history *wl_roam_check(unsigned short nwid, net_local *lp)
561{
562 wavepoint_history *ptr=lp->wavepoint_table.head;
563
564 while(ptr!=NULL){
565 if(ptr->nwid==nwid)
566 return ptr;
567 ptr=ptr->next;
568 }
569 return NULL;
570}
571
572/* Create a new wavepoint table entry */
573static wavepoint_history *wl_new_wavepoint(unsigned short nwid, unsigned char seq, net_local* lp)
574{
575 wavepoint_history *new_wavepoint;
576
577#ifdef WAVELAN_ROAMING_DEBUG
578 printk(KERN_DEBUG "WaveLAN: New Wavepoint, NWID:%.4X\n",nwid);
579#endif
580
581 if(lp->wavepoint_table.num_wavepoints==MAX_WAVEPOINTS)
582 return NULL;
583
584 new_wavepoint = kmalloc(sizeof(wavepoint_history),GFP_ATOMIC);
585 if(new_wavepoint==NULL)
586 return NULL;
587
588 new_wavepoint->nwid=nwid; /* New WavePoints NWID */
589 new_wavepoint->average_fast=0; /* Running Averages..*/
590 new_wavepoint->average_slow=0;
591 new_wavepoint->qualptr=0; /* Start of ringbuffer */
592 new_wavepoint->last_seq=seq-1; /* Last sequence no.seen */
593 memset(new_wavepoint->sigqual,0,WAVEPOINT_HISTORY);/* Empty ringbuffer */
594
595 new_wavepoint->next=lp->wavepoint_table.head;/* Add to wavepoint table */
596 new_wavepoint->prev=NULL;
597
598 if(lp->wavepoint_table.head!=NULL)
599 lp->wavepoint_table.head->prev=new_wavepoint;
600
601 lp->wavepoint_table.head=new_wavepoint;
602
603 lp->wavepoint_table.num_wavepoints++; /* no. of visible wavepoints */
604
605 return new_wavepoint;
606}
607
608/* Remove a wavepoint entry from WavePoint table */
609static void wl_del_wavepoint(wavepoint_history *wavepoint, struct net_local *lp)
610{
611 if(wavepoint==NULL)
612 return;
613
614 if(lp->curr_point==wavepoint)
615 lp->curr_point=NULL;
616
617 if(wavepoint->prev!=NULL)
618 wavepoint->prev->next=wavepoint->next;
619
620 if(wavepoint->next!=NULL)
621 wavepoint->next->prev=wavepoint->prev;
622
623 if(lp->wavepoint_table.head==wavepoint)
624 lp->wavepoint_table.head=wavepoint->next;
625
626 lp->wavepoint_table.num_wavepoints--;
627 kfree(wavepoint);
628}
629
630/* Timer callback function - checks WavePoint table for stale entries */
631static void wl_cell_expiry(unsigned long data)
632{
633 net_local *lp=(net_local *)data;
634 wavepoint_history *wavepoint=lp->wavepoint_table.head,*old_point;
635
636#if WAVELAN_ROAMING_DEBUG > 1
637 printk(KERN_DEBUG "WaveLAN: Wavepoint timeout, dev %s\n",lp->dev->name);
638#endif
639
640 if(lp->wavepoint_table.locked)
641 {
642#if WAVELAN_ROAMING_DEBUG > 1
643 printk(KERN_DEBUG "WaveLAN: Wavepoint table locked...\n");
644#endif
645
646 lp->cell_timer.expires=jiffies+1; /* If table in use, come back later */
647 add_timer(&lp->cell_timer);
648 return;
649 }
650
651 while(wavepoint!=NULL)
652 {
653 if(time_after(jiffies, wavepoint->last_seen + CELL_TIMEOUT))
654 {
655#ifdef WAVELAN_ROAMING_DEBUG
656 printk(KERN_DEBUG "WaveLAN: Bye bye %.4X\n",wavepoint->nwid);
657#endif
658
659 old_point=wavepoint;
660 wavepoint=wavepoint->next;
661 wl_del_wavepoint(old_point,lp);
662 }
663 else
664 wavepoint=wavepoint->next;
665 }
666 lp->cell_timer.expires=jiffies+CELL_TIMEOUT;
667 add_timer(&lp->cell_timer);
668}
669
670/* Update SNR history of a wavepoint */
671static void wl_update_history(wavepoint_history *wavepoint, unsigned char sigqual, unsigned char seq)
672{
673 int i=0,num_missed=0,ptr=0;
674 int average_fast=0,average_slow=0;
675
676 num_missed=(seq-wavepoint->last_seq)%WAVEPOINT_HISTORY;/* Have we missed
677 any beacons? */
678 if(num_missed)
679 for(i=0;i<num_missed;i++)
680 {
681 wavepoint->sigqual[wavepoint->qualptr++]=0; /* If so, enter them as 0's */
682 wavepoint->qualptr %=WAVEPOINT_HISTORY; /* in the ringbuffer. */
683 }
684 wavepoint->last_seen=jiffies; /* Add beacon to history */
685 wavepoint->last_seq=seq;
686 wavepoint->sigqual[wavepoint->qualptr++]=sigqual;
687 wavepoint->qualptr %=WAVEPOINT_HISTORY;
688 ptr=(wavepoint->qualptr-WAVEPOINT_FAST_HISTORY+WAVEPOINT_HISTORY)%WAVEPOINT_HISTORY;
689
690 for(i=0;i<WAVEPOINT_FAST_HISTORY;i++) /* Update running averages */
691 {
692 average_fast+=wavepoint->sigqual[ptr++];
693 ptr %=WAVEPOINT_HISTORY;
694 }
695
696 average_slow=average_fast;
697 for(i=WAVEPOINT_FAST_HISTORY;i<WAVEPOINT_HISTORY;i++)
698 {
699 average_slow+=wavepoint->sigqual[ptr++];
700 ptr %=WAVEPOINT_HISTORY;
701 }
702
703 wavepoint->average_fast=average_fast/WAVEPOINT_FAST_HISTORY;
704 wavepoint->average_slow=average_slow/WAVEPOINT_HISTORY;
705}
706
707/* Perform a handover to a new WavePoint */
708static void wv_roam_handover(wavepoint_history *wavepoint, net_local *lp)
709{
710 unsigned int base = lp->dev->base_addr;
711 mm_t m;
712 unsigned long flags;
713
714 if(wavepoint==lp->curr_point) /* Sanity check... */
715 {
716 wv_nwid_filter(!NWID_PROMISC,lp);
717 return;
718 }
719
720#ifdef WAVELAN_ROAMING_DEBUG
721 printk(KERN_DEBUG "WaveLAN: Doing handover to %.4X, dev %s\n",wavepoint->nwid,lp->dev->name);
722#endif
723
724 /* Disable interrupts & save flags */
725 spin_lock_irqsave(&lp->spinlock, flags);
726
727 m.w.mmw_netw_id_l = wavepoint->nwid & 0xFF;
728 m.w.mmw_netw_id_h = (wavepoint->nwid & 0xFF00) >> 8;
729
730 mmc_write(base, (char *)&m.w.mmw_netw_id_l - (char *)&m, (unsigned char *)&m.w.mmw_netw_id_l, 2);
731
732 /* ReEnable interrupts & restore flags */
733 spin_unlock_irqrestore(&lp->spinlock, flags);
734
735 wv_nwid_filter(!NWID_PROMISC,lp);
736 lp->curr_point=wavepoint;
737}
738
739/* Called when a WavePoint beacon is received */
740static void wl_roam_gather(struct net_device * dev,
741 u_char * hdr, /* Beacon header */
742 u_char * stats) /* SNR, Signal quality
743 of packet */
744{
745 wavepoint_beacon *beacon= (wavepoint_beacon *)hdr; /* Rcvd. Beacon */
746 unsigned short nwid=ntohs(beacon->nwid);
747 unsigned short sigqual=stats[2] & MMR_SGNL_QUAL; /* SNR of beacon */
748 wavepoint_history *wavepoint=NULL; /* WavePoint table entry */
749 net_local *lp = netdev_priv(dev); /* Device info */
750
751#ifdef I_NEED_THIS_FEATURE
752 /* Some people don't need this, some other may need it */
753 nwid=nwid^ntohs(beacon->domain_id);
754#endif
755
756#if WAVELAN_ROAMING_DEBUG > 1
757 printk(KERN_DEBUG "WaveLAN: beacon, dev %s:\n",dev->name);
758 printk(KERN_DEBUG "Domain: %.4X NWID: %.4X SigQual=%d\n",ntohs(beacon->domain_id),nwid,sigqual);
759#endif
760
761 lp->wavepoint_table.locked=1; /* <Mutex> */
762
763 wavepoint=wl_roam_check(nwid,lp); /* Find WavePoint table entry */
764 if(wavepoint==NULL) /* If no entry, Create a new one... */
765 {
766 wavepoint=wl_new_wavepoint(nwid,beacon->seq,lp);
767 if(wavepoint==NULL)
768 goto out;
769 }
770 if(lp->curr_point==NULL) /* If this is the only WavePoint, */
771 wv_roam_handover(wavepoint, lp); /* Jump on it! */
772
773 wl_update_history(wavepoint, sigqual, beacon->seq); /* Update SNR history
774 stats. */
775
776 if(lp->curr_point->average_slow < SEARCH_THRESH_LOW) /* If our current */
777 if(!lp->cell_search) /* WavePoint is getting faint, */
778 wv_nwid_filter(NWID_PROMISC,lp); /* start looking for a new one */
779
780 if(wavepoint->average_slow >
781 lp->curr_point->average_slow + WAVELAN_ROAMING_DELTA)
782 wv_roam_handover(wavepoint, lp); /* Handover to a better WavePoint */
783
784 if(lp->curr_point->average_slow > SEARCH_THRESH_HIGH) /* If our SNR is */
785 if(lp->cell_search) /* getting better, drop out of cell search mode */
786 wv_nwid_filter(!NWID_PROMISC,lp);
787
788out:
789 lp->wavepoint_table.locked=0; /* </MUTEX> :-) */
790}
791
792/* Test this MAC frame a WavePoint beacon */
793static inline int WAVELAN_BEACON(unsigned char *data)
794{
795 wavepoint_beacon *beacon= (wavepoint_beacon *)data;
796 static const wavepoint_beacon beacon_template={0xaa,0xaa,0x03,0x08,0x00,0x0e,0x20,0x03,0x00};
797
798 if(memcmp(beacon,&beacon_template,9)==0)
799 return 1;
800 else
801 return 0;
802}
803#endif /* WAVELAN_ROAMING */
804
805/************************ I82593 SUBROUTINES *************************/
806/*
807 * Useful subroutines to manage the Ethernet controller
808 */
809
810/*------------------------------------------------------------------*/
811/*
812 * Routine to synchronously send a command to the i82593 chip.
813 * Should be called with interrupts disabled.
814 * (called by wv_packet_write(), wv_ru_stop(), wv_ru_start(),
815 * wv_82593_config() & wv_diag())
816 */
817static int
818wv_82593_cmd(struct net_device * dev,
819 char * str,
820 int cmd,
821 int result)
822{
823 unsigned int base = dev->base_addr;
824 int status;
825 int wait_completed;
826 long spin;
827
828 /* Spin until the chip finishes executing its current command (if any) */
829 spin = 1000;
830 do
831 {
832 /* Time calibration of the loop */
833 udelay(10);
834
835 /* Read the interrupt register */
836 outb(OP0_NOP | CR0_STATUS_3, LCCR(base));
837 status = inb(LCSR(base));
838 }
839 while(((status & SR3_EXEC_STATE_MASK) != SR3_EXEC_IDLE) && (spin-- > 0));
840
841 /* If the interrupt hasn't been posted */
842 if (spin < 0) {
843#ifdef DEBUG_INTERRUPT_ERROR
844 printk(KERN_INFO "wv_82593_cmd: %s timeout (previous command), status 0x%02x\n",
845 str, status);
846#endif
847 return(FALSE);
848 }
849
850 /* Issue the command to the controller */
851 outb(cmd, LCCR(base));
852
853 /* If we don't have to check the result of the command
854 * Note : this mean that the irq handler will deal with that */
855 if(result == SR0_NO_RESULT)
856 return(TRUE);
857
858 /* We are waiting for command completion */
859 wait_completed = TRUE;
860
861 /* Busy wait while the LAN controller executes the command. */
862 spin = 1000;
863 do
864 {
865 /* Time calibration of the loop */
866 udelay(10);
867
868 /* Read the interrupt register */
869 outb(CR0_STATUS_0 | OP0_NOP, LCCR(base));
870 status = inb(LCSR(base));
871
872 /* Check if there was an interrupt posted */
873 if((status & SR0_INTERRUPT))
874 {
875 /* Acknowledge the interrupt */
876 outb(CR0_INT_ACK | OP0_NOP, LCCR(base));
877
878 /* Check if interrupt is a command completion */
879 if(((status & SR0_BOTH_RX_TX) != SR0_BOTH_RX_TX) &&
880 ((status & SR0_BOTH_RX_TX) != 0x0) &&
881 !(status & SR0_RECEPTION))
882 {
883 /* Signal command completion */
884 wait_completed = FALSE;
885 }
886 else
887 {
888 /* Note : Rx interrupts will be handled later, because we can
889 * handle multiple Rx packets at once */
890#ifdef DEBUG_INTERRUPT_INFO
891 printk(KERN_INFO "wv_82593_cmd: not our interrupt\n");
892#endif
893 }
894 }
895 }
896 while(wait_completed && (spin-- > 0));
897
898 /* If the interrupt hasn't be posted */
899 if(wait_completed)
900 {
901#ifdef DEBUG_INTERRUPT_ERROR
902 printk(KERN_INFO "wv_82593_cmd: %s timeout, status 0x%02x\n",
903 str, status);
904#endif
905 return(FALSE);
906 }
907
908 /* Check the return code returned by the card (see above) against
909 * the expected return code provided by the caller */
910 if((status & SR0_EVENT_MASK) != result)
911 {
912#ifdef DEBUG_INTERRUPT_ERROR
913 printk(KERN_INFO "wv_82593_cmd: %s failed, status = 0x%x\n",
914 str, status);
915#endif
916 return(FALSE);
917 }
918
919 return(TRUE);
920} /* wv_82593_cmd */
921
922/*------------------------------------------------------------------*/
923/*
924 * This routine does a 593 op-code number 7, and obtains the diagnose
925 * status for the WaveLAN.
926 */
927static inline int
928wv_diag(struct net_device * dev)
929{
930 return(wv_82593_cmd(dev, "wv_diag(): diagnose",
931 OP0_DIAGNOSE, SR0_DIAGNOSE_PASSED));
932} /* wv_diag */
933
934/*------------------------------------------------------------------*/
935/*
936 * Routine to read len bytes from the i82593's ring buffer, starting at
937 * chip address addr. The results read from the chip are stored in buf.
938 * The return value is the address to use for next the call.
939 */
940static int
941read_ringbuf(struct net_device * dev,
942 int addr,
943 char * buf,
944 int len)
945{
946 unsigned int base = dev->base_addr;
947 int ring_ptr = addr;
948 int chunk_len;
949 char * buf_ptr = buf;
950
951 /* Get all the buffer */
952 while(len > 0)
953 {
954 /* Position the Program I/O Register at the ring buffer pointer */
955 outb(ring_ptr & 0xff, PIORL(base));
956 outb(((ring_ptr >> 8) & PIORH_MASK), PIORH(base));
957
958 /* First, determine how much we can read without wrapping around the
959 ring buffer */
960 if((addr + len) < (RX_BASE + RX_SIZE))
961 chunk_len = len;
962 else
963 chunk_len = RX_BASE + RX_SIZE - addr;
964 insb(PIOP(base), buf_ptr, chunk_len);
965 buf_ptr += chunk_len;
966 len -= chunk_len;
967 ring_ptr = (ring_ptr - RX_BASE + chunk_len) % RX_SIZE + RX_BASE;
968 }
969 return(ring_ptr);
970} /* read_ringbuf */
971
972/*------------------------------------------------------------------*/
973/*
974 * Reconfigure the i82593, or at least ask for it...
975 * Because wv_82593_config use the transmission buffer, we must do it
976 * when we are sure that there is no transmission, so we do it now
977 * or in wavelan_packet_xmit() (I can't find any better place,
978 * wavelan_interrupt is not an option...), so you may experience
979 * some delay sometime...
980 */
981static void
982wv_82593_reconfig(struct net_device * dev)
983{
984 net_local * lp = netdev_priv(dev);
985 struct pcmcia_device * link = lp->link;
986 unsigned long flags;
987
988 /* Arm the flag, will be cleard in wv_82593_config() */
989 lp->reconfig_82593 = TRUE;
990
991 /* Check if we can do it now ! */
992 if((link->open) && (netif_running(dev)) && !(netif_queue_stopped(dev)))
993 {
994 spin_lock_irqsave(&lp->spinlock, flags); /* Disable interrupts */
995 wv_82593_config(dev);
996 spin_unlock_irqrestore(&lp->spinlock, flags); /* Re-enable interrupts */
997 }
998 else
999 {
1000#ifdef DEBUG_IOCTL_INFO
1001 printk(KERN_DEBUG
1002 "%s: wv_82593_reconfig(): delayed (state = %lX, link = %d)\n",
1003 dev->name, dev->state, link->open);
1004#endif
1005 }
1006}
1007
1008/********************* DEBUG & INFO SUBROUTINES *********************/
1009/*
1010 * This routines are used in the code to show debug informations.
1011 * Most of the time, it dump the content of hardware structures...
1012 */
1013
1014#ifdef DEBUG_PSA_SHOW
1015/*------------------------------------------------------------------*/
1016/*
1017 * Print the formatted contents of the Parameter Storage Area.
1018 */
1019static void
1020wv_psa_show(psa_t * p)
1021{
1022 printk(KERN_DEBUG "##### wavelan psa contents: #####\n");
1023 printk(KERN_DEBUG "psa_io_base_addr_1: 0x%02X %02X %02X %02X\n",
1024 p->psa_io_base_addr_1,
1025 p->psa_io_base_addr_2,
1026 p->psa_io_base_addr_3,
1027 p->psa_io_base_addr_4);
1028 printk(KERN_DEBUG "psa_rem_boot_addr_1: 0x%02X %02X %02X\n",
1029 p->psa_rem_boot_addr_1,
1030 p->psa_rem_boot_addr_2,
1031 p->psa_rem_boot_addr_3);
1032 printk(KERN_DEBUG "psa_holi_params: 0x%02x, ", p->psa_holi_params);
1033 printk("psa_int_req_no: %d\n", p->psa_int_req_no);
1034#ifdef DEBUG_SHOW_UNUSED
1035 printk(KERN_DEBUG "psa_unused0[]: %pM\n", p->psa_unused0);
1036#endif /* DEBUG_SHOW_UNUSED */
1037 printk(KERN_DEBUG "psa_univ_mac_addr[]: %pM\n", p->psa_univ_mac_addr);
1038 printk(KERN_DEBUG "psa_local_mac_addr[]: %pM\n", p->psa_local_mac_addr);
1039 printk(KERN_DEBUG "psa_univ_local_sel: %d, ", p->psa_univ_local_sel);
1040 printk("psa_comp_number: %d, ", p->psa_comp_number);
1041 printk("psa_thr_pre_set: 0x%02x\n", p->psa_thr_pre_set);
1042 printk(KERN_DEBUG "psa_feature_select/decay_prm: 0x%02x, ",
1043 p->psa_feature_select);
1044 printk("psa_subband/decay_update_prm: %d\n", p->psa_subband);
1045 printk(KERN_DEBUG "psa_quality_thr: 0x%02x, ", p->psa_quality_thr);
1046 printk("psa_mod_delay: 0x%02x\n", p->psa_mod_delay);
1047 printk(KERN_DEBUG "psa_nwid: 0x%02x%02x, ", p->psa_nwid[0], p->psa_nwid[1]);
1048 printk("psa_nwid_select: %d\n", p->psa_nwid_select);
1049 printk(KERN_DEBUG "psa_encryption_select: %d, ", p->psa_encryption_select);
1050 printk("psa_encryption_key[]: %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
1051 p->psa_encryption_key[0],
1052 p->psa_encryption_key[1],
1053 p->psa_encryption_key[2],
1054 p->psa_encryption_key[3],
1055 p->psa_encryption_key[4],
1056 p->psa_encryption_key[5],
1057 p->psa_encryption_key[6],
1058 p->psa_encryption_key[7]);
1059 printk(KERN_DEBUG "psa_databus_width: %d\n", p->psa_databus_width);
1060 printk(KERN_DEBUG "psa_call_code/auto_squelch: 0x%02x, ",
1061 p->psa_call_code[0]);
1062 printk("psa_call_code[]: %02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
1063 p->psa_call_code[0],
1064 p->psa_call_code[1],
1065 p->psa_call_code[2],
1066 p->psa_call_code[3],
1067 p->psa_call_code[4],
1068 p->psa_call_code[5],
1069 p->psa_call_code[6],
1070 p->psa_call_code[7]);
1071#ifdef DEBUG_SHOW_UNUSED
1072 printk(KERN_DEBUG "psa_reserved[]: %02X:%02X\n",
1073 p->psa_reserved[0],
1074 p->psa_reserved[1]);
1075#endif /* DEBUG_SHOW_UNUSED */
1076 printk(KERN_DEBUG "psa_conf_status: %d, ", p->psa_conf_status);
1077 printk("psa_crc: 0x%02x%02x, ", p->psa_crc[0], p->psa_crc[1]);
1078 printk("psa_crc_status: 0x%02x\n", p->psa_crc_status);
1079} /* wv_psa_show */
1080#endif /* DEBUG_PSA_SHOW */
1081
1082#ifdef DEBUG_MMC_SHOW
1083/*------------------------------------------------------------------*/
1084/*
1085 * Print the formatted status of the Modem Management Controller.
1086 * This function need to be completed...
1087 */
1088static void
1089wv_mmc_show(struct net_device * dev)
1090{
1091 unsigned int base = dev->base_addr;
1092 net_local * lp = netdev_priv(dev);
1093 mmr_t m;
1094
1095 /* Basic check */
1096 if(hasr_read(base) & HASR_NO_CLK)
1097 {
1098 printk(KERN_WARNING "%s: wv_mmc_show: modem not connected\n",
1099 dev->name);
1100 return;
1101 }
1102
1103 spin_lock_irqsave(&lp->spinlock, flags);
1104
1105 /* Read the mmc */
1106 mmc_out(base, mmwoff(0, mmw_freeze), 1);
1107 mmc_read(base, 0, (u_char *)&m, sizeof(m));
1108 mmc_out(base, mmwoff(0, mmw_freeze), 0);
1109
1110 /* Don't forget to update statistics */
1111 lp->wstats.discard.nwid += (m.mmr_wrong_nwid_h << 8) | m.mmr_wrong_nwid_l;
1112
1113 spin_unlock_irqrestore(&lp->spinlock, flags);
1114
1115 printk(KERN_DEBUG "##### wavelan modem status registers: #####\n");
1116#ifdef DEBUG_SHOW_UNUSED
1117 printk(KERN_DEBUG "mmc_unused0[]: %02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
1118 m.mmr_unused0[0],
1119 m.mmr_unused0[1],
1120 m.mmr_unused0[2],
1121 m.mmr_unused0[3],
1122 m.mmr_unused0[4],
1123 m.mmr_unused0[5],
1124 m.mmr_unused0[6],
1125 m.mmr_unused0[7]);
1126#endif /* DEBUG_SHOW_UNUSED */
1127 printk(KERN_DEBUG "Encryption algorithm: %02X - Status: %02X\n",
1128 m.mmr_des_avail, m.mmr_des_status);
1129#ifdef DEBUG_SHOW_UNUSED
1130 printk(KERN_DEBUG "mmc_unused1[]: %02X:%02X:%02X:%02X:%02X\n",
1131 m.mmr_unused1[0],
1132 m.mmr_unused1[1],
1133 m.mmr_unused1[2],
1134 m.mmr_unused1[3],
1135 m.mmr_unused1[4]);
1136#endif /* DEBUG_SHOW_UNUSED */
1137 printk(KERN_DEBUG "dce_status: 0x%x [%s%s%s%s]\n",
1138 m.mmr_dce_status,
1139 (m.mmr_dce_status & MMR_DCE_STATUS_RX_BUSY) ? "energy detected,":"",
1140 (m.mmr_dce_status & MMR_DCE_STATUS_LOOPT_IND) ?
1141 "loop test indicated," : "",
1142 (m.mmr_dce_status & MMR_DCE_STATUS_TX_BUSY) ? "transmitter on," : "",
1143 (m.mmr_dce_status & MMR_DCE_STATUS_JBR_EXPIRED) ?
1144 "jabber timer expired," : "");
1145 printk(KERN_DEBUG "Dsp ID: %02X\n",
1146 m.mmr_dsp_id);
1147#ifdef DEBUG_SHOW_UNUSED
1148 printk(KERN_DEBUG "mmc_unused2[]: %02X:%02X\n",
1149 m.mmr_unused2[0],
1150 m.mmr_unused2[1]);
1151#endif /* DEBUG_SHOW_UNUSED */
1152 printk(KERN_DEBUG "# correct_nwid: %d, # wrong_nwid: %d\n",
1153 (m.mmr_correct_nwid_h << 8) | m.mmr_correct_nwid_l,
1154 (m.mmr_wrong_nwid_h << 8) | m.mmr_wrong_nwid_l);
1155 printk(KERN_DEBUG "thr_pre_set: 0x%x [current signal %s]\n",
1156 m.mmr_thr_pre_set & MMR_THR_PRE_SET,
1157 (m.mmr_thr_pre_set & MMR_THR_PRE_SET_CUR) ? "above" : "below");
1158 printk(KERN_DEBUG "signal_lvl: %d [%s], ",
1159 m.mmr_signal_lvl & MMR_SIGNAL_LVL,
1160 (m.mmr_signal_lvl & MMR_SIGNAL_LVL_VALID) ? "new msg" : "no new msg");
1161 printk("silence_lvl: %d [%s], ", m.mmr_silence_lvl & MMR_SILENCE_LVL,
1162 (m.mmr_silence_lvl & MMR_SILENCE_LVL_VALID) ? "update done" : "no new update");
1163 printk("sgnl_qual: 0x%x [%s]\n", m.mmr_sgnl_qual & MMR_SGNL_QUAL,
1164 (m.mmr_sgnl_qual & MMR_SGNL_QUAL_ANT) ? "Antenna 1" : "Antenna 0");
1165#ifdef DEBUG_SHOW_UNUSED
1166 printk(KERN_DEBUG "netw_id_l: %x\n", m.mmr_netw_id_l);
1167#endif /* DEBUG_SHOW_UNUSED */
1168} /* wv_mmc_show */
1169#endif /* DEBUG_MMC_SHOW */
1170
1171#ifdef DEBUG_I82593_SHOW
1172/*------------------------------------------------------------------*/
1173/*
1174 * Print the formatted status of the i82593's receive unit.
1175 */
1176static void
1177wv_ru_show(struct net_device * dev)
1178{
1179 net_local *lp = netdev_priv(dev);
1180
1181 printk(KERN_DEBUG "##### wavelan i82593 receiver status: #####\n");
1182 printk(KERN_DEBUG "ru: rfp %d stop %d", lp->rfp, lp->stop);
1183 /*
1184 * Not implemented yet...
1185 */
1186 printk("\n");
1187} /* wv_ru_show */
1188#endif /* DEBUG_I82593_SHOW */
1189
1190#ifdef DEBUG_DEVICE_SHOW
1191/*------------------------------------------------------------------*/
1192/*
1193 * Print the formatted status of the WaveLAN PCMCIA device driver.
1194 */
1195static void
1196wv_dev_show(struct net_device * dev)
1197{
1198 printk(KERN_DEBUG "dev:");
1199 printk(" state=%lX,", dev->state);
1200 printk(" trans_start=%ld,", dev->trans_start);
1201 printk(" flags=0x%x,", dev->flags);
1202 printk("\n");
1203} /* wv_dev_show */
1204
1205/*------------------------------------------------------------------*/
1206/*
1207 * Print the formatted status of the WaveLAN PCMCIA device driver's
1208 * private information.
1209 */
1210static void
1211wv_local_show(struct net_device * dev)
1212{
1213 net_local *lp = netdev_priv(dev);
1214
1215 printk(KERN_DEBUG "local:");
1216 /*
1217 * Not implemented yet...
1218 */
1219 printk("\n");
1220} /* wv_local_show */
1221#endif /* DEBUG_DEVICE_SHOW */
1222
1223#if defined(DEBUG_RX_INFO) || defined(DEBUG_TX_INFO)
1224/*------------------------------------------------------------------*/
1225/*
1226 * Dump packet header (and content if necessary) on the screen
1227 */
1228static void
1229wv_packet_info(u_char * p, /* Packet to dump */
1230 int length, /* Length of the packet */
1231 char * msg1, /* Name of the device */
1232 char * msg2) /* Name of the function */
1233{
1234 int i;
1235 int maxi;
1236
1237 printk(KERN_DEBUG "%s: %s(): dest %pM, length %d\n",
1238 msg1, msg2, p, length);
1239 printk(KERN_DEBUG "%s: %s(): src %pM, type 0x%02X%02X\n",
1240 msg1, msg2, &p[6], p[12], p[13]);
1241
1242#ifdef DEBUG_PACKET_DUMP
1243
1244 printk(KERN_DEBUG "data=\"");
1245
1246 if((maxi = length) > DEBUG_PACKET_DUMP)
1247 maxi = DEBUG_PACKET_DUMP;
1248 for(i = 14; i < maxi; i++)
1249 if(p[i] >= ' ' && p[i] <= '~')
1250 printk(" %c", p[i]);
1251 else
1252 printk("%02X", p[i]);
1253 if(maxi < length)
1254 printk("..");
1255 printk("\"\n");
1256 printk(KERN_DEBUG "\n");
1257#endif /* DEBUG_PACKET_DUMP */
1258}
1259#endif /* defined(DEBUG_RX_INFO) || defined(DEBUG_TX_INFO) */
1260
1261/*------------------------------------------------------------------*/
1262/*
1263 * This is the information which is displayed by the driver at startup
1264 * There is a lot of flag to configure it at your will...
1265 */
1266static void
1267wv_init_info(struct net_device * dev)
1268{
1269 unsigned int base = dev->base_addr;
1270 psa_t psa;
1271
1272 /* Read the parameter storage area */
1273 psa_read(dev, 0, (unsigned char *) &psa, sizeof(psa));
1274
1275#ifdef DEBUG_PSA_SHOW
1276 wv_psa_show(&psa);
1277#endif
1278#ifdef DEBUG_MMC_SHOW
1279 wv_mmc_show(dev);
1280#endif
1281#ifdef DEBUG_I82593_SHOW
1282 wv_ru_show(dev);
1283#endif
1284
1285#ifdef DEBUG_BASIC_SHOW
1286 /* Now, let's go for the basic stuff */
1287 printk(KERN_NOTICE "%s: WaveLAN: port %#x, irq %d, hw_addr %pM",
1288 dev->name, base, dev->irq, dev->dev_addr);
1289
1290 /* Print current network id */
1291 if(psa.psa_nwid_select)
1292 printk(", nwid 0x%02X-%02X", psa.psa_nwid[0], psa.psa_nwid[1]);
1293 else
1294 printk(", nwid off");
1295
1296 /* If 2.00 card */
1297 if(!(mmc_in(base, mmroff(0, mmr_fee_status)) &
1298 (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY)))
1299 {
1300 unsigned short freq;
1301
1302 /* Ask the EEprom to read the frequency from the first area */
1303 fee_read(base, 0x00 /* 1st area - frequency... */,
1304 &freq, 1);
1305
1306 /* Print frequency */
1307 printk(", 2.00, %ld", (freq >> 6) + 2400L);
1308
1309 /* Hack !!! */
1310 if(freq & 0x20)
1311 printk(".5");
1312 }
1313 else
1314 {
1315 printk(", PCMCIA, ");
1316 switch (psa.psa_subband)
1317 {
1318 case PSA_SUBBAND_915:
1319 printk("915");
1320 break;
1321 case PSA_SUBBAND_2425:
1322 printk("2425");
1323 break;
1324 case PSA_SUBBAND_2460:
1325 printk("2460");
1326 break;
1327 case PSA_SUBBAND_2484:
1328 printk("2484");
1329 break;
1330 case PSA_SUBBAND_2430_5:
1331 printk("2430.5");
1332 break;
1333 default:
1334 printk("unknown");
1335 }
1336 }
1337
1338 printk(" MHz\n");
1339#endif /* DEBUG_BASIC_SHOW */
1340
1341#ifdef DEBUG_VERSION_SHOW
1342 /* Print version information */
1343 printk(KERN_NOTICE "%s", version);
1344#endif
1345} /* wv_init_info */
1346
1347/********************* IOCTL, STATS & RECONFIG *********************/
1348/*
1349 * We found here routines that are called by Linux on differents
1350 * occasions after the configuration and not for transmitting data
1351 * These may be called when the user use ifconfig, /proc/net/dev
1352 * or wireless extensions
1353 */
1354
1355
1356/*------------------------------------------------------------------*/
1357/*
1358 * Set or clear the multicast filter for this adaptor.
1359 * num_addrs == -1 Promiscuous mode, receive all packets
1360 * num_addrs == 0 Normal mode, clear multicast list
1361 * num_addrs > 0 Multicast mode, receive normal and MC packets,
1362 * and do best-effort filtering.
1363 */
1364
1365static void
1366wavelan_set_multicast_list(struct net_device * dev)
1367{
1368 net_local * lp = netdev_priv(dev);
1369
1370#ifdef DEBUG_IOCTL_TRACE
1371 printk(KERN_DEBUG "%s: ->wavelan_set_multicast_list()\n", dev->name);
1372#endif
1373
1374#ifdef DEBUG_IOCTL_INFO
1375 printk(KERN_DEBUG "%s: wavelan_set_multicast_list(): setting Rx mode %02X to %d addresses.\n",
1376 dev->name, dev->flags, dev->mc_count);
1377#endif
1378
1379 if(dev->flags & IFF_PROMISC)
1380 {
1381 /*
1382 * Enable promiscuous mode: receive all packets.
1383 */
1384 if(!lp->promiscuous)
1385 {
1386 lp->promiscuous = 1;
1387 lp->allmulticast = 0;
1388 lp->mc_count = 0;
1389
1390 wv_82593_reconfig(dev);
1391 }
1392 }
1393 else
1394 /* If all multicast addresses
1395 * or too much multicast addresses for the hardware filter */
1396 if((dev->flags & IFF_ALLMULTI) ||
1397 (dev->mc_count > I82593_MAX_MULTICAST_ADDRESSES))
1398 {
1399 /*
1400 * Disable promiscuous mode, but active the all multicast mode
1401 */
1402 if(!lp->allmulticast)
1403 {
1404 lp->promiscuous = 0;
1405 lp->allmulticast = 1;
1406 lp->mc_count = 0;
1407
1408 wv_82593_reconfig(dev);
1409 }
1410 }
1411 else
1412 /* If there is some multicast addresses to send */
1413 if(dev->mc_list != (struct dev_mc_list *) NULL)
1414 {
1415 /*
1416 * Disable promiscuous mode, but receive all packets
1417 * in multicast list
1418 */
1419#ifdef MULTICAST_AVOID
1420 if(lp->promiscuous || lp->allmulticast ||
1421 (dev->mc_count != lp->mc_count))
1422#endif
1423 {
1424 lp->promiscuous = 0;
1425 lp->allmulticast = 0;
1426 lp->mc_count = dev->mc_count;
1427
1428 wv_82593_reconfig(dev);
1429 }
1430 }
1431 else
1432 {
1433 /*
1434 * Switch to normal mode: disable promiscuous mode and
1435 * clear the multicast list.
1436 */
1437 if(lp->promiscuous || lp->mc_count == 0)
1438 {
1439 lp->promiscuous = 0;
1440 lp->allmulticast = 0;
1441 lp->mc_count = 0;
1442
1443 wv_82593_reconfig(dev);
1444 }
1445 }
1446#ifdef DEBUG_IOCTL_TRACE
1447 printk(KERN_DEBUG "%s: <-wavelan_set_multicast_list()\n", dev->name);
1448#endif
1449}
1450
1451/*------------------------------------------------------------------*/
1452/*
1453 * This function doesn't exist...
1454 * (Note : it was a nice way to test the reconfigure stuff...)
1455 */
1456#ifdef SET_MAC_ADDRESS
1457static int
1458wavelan_set_mac_address(struct net_device * dev,
1459 void * addr)
1460{
1461 struct sockaddr * mac = addr;
1462
1463 /* Copy the address */
1464 memcpy(dev->dev_addr, mac->sa_data, WAVELAN_ADDR_SIZE);
1465
1466 /* Reconfig the beast */
1467 wv_82593_reconfig(dev);
1468
1469 return 0;
1470}
1471#endif /* SET_MAC_ADDRESS */
1472
1473
1474/*------------------------------------------------------------------*/
1475/*
1476 * Frequency setting (for hardware able of it)
1477 * It's a bit complicated and you don't really want to look into it...
1478 */
1479static int
1480wv_set_frequency(u_long base, /* i/o port of the card */
1481 iw_freq * frequency)
1482{
1483 const int BAND_NUM = 10; /* Number of bands */
1484 long freq = 0L; /* offset to 2.4 GHz in .5 MHz */
1485#ifdef DEBUG_IOCTL_INFO
1486 int i;
1487#endif
1488
1489 /* Setting by frequency */
1490 /* Theoritically, you may set any frequency between
1491 * the two limits with a 0.5 MHz precision. In practice,
1492 * I don't want you to have trouble with local
1493 * regulations... */
1494 if((frequency->e == 1) &&
1495 (frequency->m >= (int) 2.412e8) && (frequency->m <= (int) 2.487e8))
1496 {
1497 freq = ((frequency->m / 10000) - 24000L) / 5;
1498 }
1499
1500 /* Setting by channel (same as wfreqsel) */
1501 /* Warning : each channel is 22MHz wide, so some of the channels
1502 * will interfere... */
1503 if((frequency->e == 0) &&
1504 (frequency->m >= 0) && (frequency->m < BAND_NUM))
1505 {
1506 /* Get frequency offset. */
1507 freq = channel_bands[frequency->m] >> 1;
1508 }
1509
1510 /* Verify if the frequency is allowed */
1511 if(freq != 0L)
1512 {
1513 u_short table[10]; /* Authorized frequency table */
1514
1515 /* Read the frequency table */
1516 fee_read(base, 0x71 /* frequency table */,
1517 table, 10);
1518
1519#ifdef DEBUG_IOCTL_INFO
1520 printk(KERN_DEBUG "Frequency table :");
1521 for(i = 0; i < 10; i++)
1522 {
1523 printk(" %04X",
1524 table[i]);
1525 }
1526 printk("\n");
1527#endif
1528
1529 /* Look in the table if the frequency is allowed */
1530 if(!(table[9 - ((freq - 24) / 16)] &
1531 (1 << ((freq - 24) % 16))))
1532 return -EINVAL; /* not allowed */
1533 }
1534 else
1535 return -EINVAL;
1536
1537 /* If we get a usable frequency */
1538 if(freq != 0L)
1539 {
1540 unsigned short area[16];
1541 unsigned short dac[2];
1542 unsigned short area_verify[16];
1543 unsigned short dac_verify[2];
1544 /* Corresponding gain (in the power adjust value table)
1545 * see AT&T Wavelan Data Manual, REF 407-024689/E, page 3-8
1546 * & WCIN062D.DOC, page 6.2.9 */
1547 unsigned short power_limit[] = { 40, 80, 120, 160, 0 };
1548 int power_band = 0; /* Selected band */
1549 unsigned short power_adjust; /* Correct value */
1550
1551 /* Search for the gain */
1552 power_band = 0;
1553 while((freq > power_limit[power_band]) &&
1554 (power_limit[++power_band] != 0))
1555 ;
1556
1557 /* Read the first area */
1558 fee_read(base, 0x00,
1559 area, 16);
1560
1561 /* Read the DAC */
1562 fee_read(base, 0x60,
1563 dac, 2);
1564
1565 /* Read the new power adjust value */
1566 fee_read(base, 0x6B - (power_band >> 1),
1567 &power_adjust, 1);
1568 if(power_band & 0x1)
1569 power_adjust >>= 8;
1570 else
1571 power_adjust &= 0xFF;
1572
1573#ifdef DEBUG_IOCTL_INFO
1574 printk(KERN_DEBUG "Wavelan EEprom Area 1 :");
1575 for(i = 0; i < 16; i++)
1576 {
1577 printk(" %04X",
1578 area[i]);
1579 }
1580 printk("\n");
1581
1582 printk(KERN_DEBUG "Wavelan EEprom DAC : %04X %04X\n",
1583 dac[0], dac[1]);
1584#endif
1585
1586 /* Frequency offset (for info only...) */
1587 area[0] = ((freq << 5) & 0xFFE0) | (area[0] & 0x1F);
1588
1589 /* Receiver Principle main divider coefficient */
1590 area[3] = (freq >> 1) + 2400L - 352L;
1591 area[2] = ((freq & 0x1) << 4) | (area[2] & 0xFFEF);
1592
1593 /* Transmitter Main divider coefficient */
1594 area[13] = (freq >> 1) + 2400L;
1595 area[12] = ((freq & 0x1) << 4) | (area[2] & 0xFFEF);
1596
1597 /* Others part of the area are flags, bit streams or unused... */
1598
1599 /* Set the value in the DAC */
1600 dac[1] = ((power_adjust >> 1) & 0x7F) | (dac[1] & 0xFF80);
1601 dac[0] = ((power_adjust & 0x1) << 4) | (dac[0] & 0xFFEF);
1602
1603 /* Write the first area */
1604 fee_write(base, 0x00,
1605 area, 16);
1606
1607 /* Write the DAC */
1608 fee_write(base, 0x60,
1609 dac, 2);
1610
1611 /* We now should verify here that the EEprom writing was ok */
1612
1613 /* ReRead the first area */
1614 fee_read(base, 0x00,
1615 area_verify, 16);
1616
1617 /* ReRead the DAC */
1618 fee_read(base, 0x60,
1619 dac_verify, 2);
1620
1621 /* Compare */
1622 if(memcmp(area, area_verify, 16 * 2) ||
1623 memcmp(dac, dac_verify, 2 * 2))
1624 {
1625#ifdef DEBUG_IOCTL_ERROR
1626 printk(KERN_INFO "Wavelan: wv_set_frequency : unable to write new frequency to EEprom (?)\n");
1627#endif
1628 return -EOPNOTSUPP;
1629 }
1630
1631 /* We must download the frequency parameters to the
1632 * synthetisers (from the EEprom - area 1)
1633 * Note : as the EEprom is auto decremented, we set the end
1634 * if the area... */
1635 mmc_out(base, mmwoff(0, mmw_fee_addr), 0x0F);
1636 mmc_out(base, mmwoff(0, mmw_fee_ctrl),
1637 MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD);
1638
1639 /* Wait until the download is finished */
1640 fee_wait(base, 100, 100);
1641
1642 /* We must now download the power adjust value (gain) to
1643 * the synthetisers (from the EEprom - area 7 - DAC) */
1644 mmc_out(base, mmwoff(0, mmw_fee_addr), 0x61);
1645 mmc_out(base, mmwoff(0, mmw_fee_ctrl),
1646 MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD);
1647
1648 /* Wait until the download is finished */
1649 fee_wait(base, 100, 100);
1650
1651#ifdef DEBUG_IOCTL_INFO
1652 /* Verification of what we have done... */
1653
1654 printk(KERN_DEBUG "Wavelan EEprom Area 1 :");
1655 for(i = 0; i < 16; i++)
1656 {
1657 printk(" %04X",
1658 area_verify[i]);
1659 }
1660 printk("\n");
1661
1662 printk(KERN_DEBUG "Wavelan EEprom DAC : %04X %04X\n",
1663 dac_verify[0], dac_verify[1]);
1664#endif
1665
1666 return 0;
1667 }
1668 else
1669 return -EINVAL; /* Bah, never get there... */
1670}
1671
1672/*------------------------------------------------------------------*/
1673/*
1674 * Give the list of available frequencies
1675 */
1676static int
1677wv_frequency_list(u_long base, /* i/o port of the card */
1678 iw_freq * list, /* List of frequency to fill */
1679 int max) /* Maximum number of frequencies */
1680{
1681 u_short table[10]; /* Authorized frequency table */
1682 long freq = 0L; /* offset to 2.4 GHz in .5 MHz + 12 MHz */
1683 int i; /* index in the table */
1684 const int BAND_NUM = 10; /* Number of bands */
1685 int c = 0; /* Channel number */
1686
1687 /* Read the frequency table */
1688 fee_read(base, 0x71 /* frequency table */,
1689 table, 10);
1690
1691 /* Look all frequencies */
1692 i = 0;
1693 for(freq = 0; freq < 150; freq++)
1694 /* Look in the table if the frequency is allowed */
1695 if(table[9 - (freq / 16)] & (1 << (freq % 16)))
1696 {
1697 /* Compute approximate channel number */
1698 while((((channel_bands[c] >> 1) - 24) < freq) &&
1699 (c < BAND_NUM))
1700 c++;
1701 list[i].i = c; /* Set the list index */
1702
1703 /* put in the list */
1704 list[i].m = (((freq + 24) * 5) + 24000L) * 10000;
1705 list[i++].e = 1;
1706
1707 /* Check number */
1708 if(i >= max)
1709 return(i);
1710 }
1711
1712 return(i);
1713}
1714
1715#ifdef IW_WIRELESS_SPY
1716/*------------------------------------------------------------------*/
1717/*
1718 * Gather wireless spy statistics : for each packet, compare the source
1719 * address with out list, and if match, get the stats...
1720 * Sorry, but this function really need wireless extensions...
1721 */
1722static inline void
1723wl_spy_gather(struct net_device * dev,
1724 u_char * mac, /* MAC address */
1725 u_char * stats) /* Statistics to gather */
1726{
1727 struct iw_quality wstats;
1728
1729 wstats.qual = stats[2] & MMR_SGNL_QUAL;
1730 wstats.level = stats[0] & MMR_SIGNAL_LVL;
1731 wstats.noise = stats[1] & MMR_SILENCE_LVL;
1732 wstats.updated = 0x7;
1733
1734 /* Update spy records */
1735 wireless_spy_update(dev, mac, &wstats);
1736}
1737#endif /* IW_WIRELESS_SPY */
1738
1739#ifdef HISTOGRAM
1740/*------------------------------------------------------------------*/
1741/*
1742 * This function calculate an histogram on the signal level.
1743 * As the noise is quite constant, it's like doing it on the SNR.
1744 * We have defined a set of interval (lp->his_range), and each time
1745 * the level goes in that interval, we increment the count (lp->his_sum).
1746 * With this histogram you may detect if one wavelan is really weak,
1747 * or you may also calculate the mean and standard deviation of the level...
1748 */
1749static inline void
1750wl_his_gather(struct net_device * dev,
1751 u_char * stats) /* Statistics to gather */
1752{
1753 net_local * lp = netdev_priv(dev);
1754 u_char level = stats[0] & MMR_SIGNAL_LVL;
1755 int i;
1756
1757 /* Find the correct interval */
1758 i = 0;
1759 while((i < (lp->his_number - 1)) && (level >= lp->his_range[i++]))
1760 ;
1761
1762 /* Increment interval counter */
1763 (lp->his_sum[i])++;
1764}
1765#endif /* HISTOGRAM */
1766
1767static void wl_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
1768{
1769 strncpy(info->driver, "wavelan_cs", sizeof(info->driver)-1);
1770}
1771
1772static const struct ethtool_ops ops = {
1773 .get_drvinfo = wl_get_drvinfo
1774};
1775
1776/*------------------------------------------------------------------*/
1777/*
1778 * Wireless Handler : get protocol name
1779 */
1780static int wavelan_get_name(struct net_device *dev,
1781 struct iw_request_info *info,
1782 union iwreq_data *wrqu,
1783 char *extra)
1784{
1785 strcpy(wrqu->name, "WaveLAN");
1786 return 0;
1787}
1788
1789/*------------------------------------------------------------------*/
1790/*
1791 * Wireless Handler : set NWID
1792 */
1793static int wavelan_set_nwid(struct net_device *dev,
1794 struct iw_request_info *info,
1795 union iwreq_data *wrqu,
1796 char *extra)
1797{
1798 unsigned int base = dev->base_addr;
1799 net_local *lp = netdev_priv(dev);
1800 psa_t psa;
1801 mm_t m;
1802 unsigned long flags;
1803 int ret = 0;
1804
1805 /* Disable interrupts and save flags. */
1806 spin_lock_irqsave(&lp->spinlock, flags);
1807
1808 /* Set NWID in WaveLAN. */
1809 if (!wrqu->nwid.disabled) {
1810 /* Set NWID in psa */
1811 psa.psa_nwid[0] = (wrqu->nwid.value & 0xFF00) >> 8;
1812 psa.psa_nwid[1] = wrqu->nwid.value & 0xFF;
1813 psa.psa_nwid_select = 0x01;
1814 psa_write(dev,
1815 (char *) psa.psa_nwid - (char *) &psa,
1816 (unsigned char *) psa.psa_nwid, 3);
1817
1818 /* Set NWID in mmc. */
1819 m.w.mmw_netw_id_l = psa.psa_nwid[1];
1820 m.w.mmw_netw_id_h = psa.psa_nwid[0];
1821 mmc_write(base,
1822 (char *) &m.w.mmw_netw_id_l -
1823 (char *) &m,
1824 (unsigned char *) &m.w.mmw_netw_id_l, 2);
1825 mmc_out(base, mmwoff(0, mmw_loopt_sel), 0x00);
1826 } else {
1827 /* Disable NWID in the psa. */
1828 psa.psa_nwid_select = 0x00;
1829 psa_write(dev,
1830 (char *) &psa.psa_nwid_select -
1831 (char *) &psa,
1832 (unsigned char *) &psa.psa_nwid_select,
1833 1);
1834
1835 /* Disable NWID in the mmc (no filtering). */
1836 mmc_out(base, mmwoff(0, mmw_loopt_sel),
1837 MMW_LOOPT_SEL_DIS_NWID);
1838 }
1839 /* update the Wavelan checksum */
1840 update_psa_checksum(dev);
1841
1842 /* Enable interrupts and restore flags. */
1843 spin_unlock_irqrestore(&lp->spinlock, flags);
1844
1845 return ret;
1846}
1847
1848/*------------------------------------------------------------------*/
1849/*
1850 * Wireless Handler : get NWID
1851 */
1852static int wavelan_get_nwid(struct net_device *dev,
1853 struct iw_request_info *info,
1854 union iwreq_data *wrqu,
1855 char *extra)
1856{
1857 net_local *lp = netdev_priv(dev);
1858 psa_t psa;
1859 unsigned long flags;
1860 int ret = 0;
1861
1862 /* Disable interrupts and save flags. */
1863 spin_lock_irqsave(&lp->spinlock, flags);
1864
1865 /* Read the NWID. */
1866 psa_read(dev,
1867 (char *) psa.psa_nwid - (char *) &psa,
1868 (unsigned char *) psa.psa_nwid, 3);
1869 wrqu->nwid.value = (psa.psa_nwid[0] << 8) + psa.psa_nwid[1];
1870 wrqu->nwid.disabled = !(psa.psa_nwid_select);
1871 wrqu->nwid.fixed = 1; /* Superfluous */
1872
1873 /* Enable interrupts and restore flags. */
1874 spin_unlock_irqrestore(&lp->spinlock, flags);
1875
1876 return ret;
1877}
1878
1879/*------------------------------------------------------------------*/
1880/*
1881 * Wireless Handler : set frequency
1882 */
1883static int wavelan_set_freq(struct net_device *dev,
1884 struct iw_request_info *info,
1885 union iwreq_data *wrqu,
1886 char *extra)
1887{
1888 unsigned int base = dev->base_addr;
1889 net_local *lp = netdev_priv(dev);
1890 unsigned long flags;
1891 int ret;
1892
1893 /* Disable interrupts and save flags. */
1894 spin_lock_irqsave(&lp->spinlock, flags);
1895
1896 /* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable). */
1897 if (!(mmc_in(base, mmroff(0, mmr_fee_status)) &
1898 (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY)))
1899 ret = wv_set_frequency(base, &(wrqu->freq));
1900 else
1901 ret = -EOPNOTSUPP;
1902
1903 /* Enable interrupts and restore flags. */
1904 spin_unlock_irqrestore(&lp->spinlock, flags);
1905
1906 return ret;
1907}
1908
1909/*------------------------------------------------------------------*/
1910/*
1911 * Wireless Handler : get frequency
1912 */
1913static int wavelan_get_freq(struct net_device *dev,
1914 struct iw_request_info *info,
1915 union iwreq_data *wrqu,
1916 char *extra)
1917{
1918 unsigned int base = dev->base_addr;
1919 net_local *lp = netdev_priv(dev);
1920 psa_t psa;
1921 unsigned long flags;
1922 int ret = 0;
1923
1924 /* Disable interrupts and save flags. */
1925 spin_lock_irqsave(&lp->spinlock, flags);
1926
1927 /* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable).
1928 * Does it work for everybody, especially old cards? */
1929 if (!(mmc_in(base, mmroff(0, mmr_fee_status)) &
1930 (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY))) {
1931 unsigned short freq;
1932
1933 /* Ask the EEPROM to read the frequency from the first area. */
1934 fee_read(base, 0x00, &freq, 1);
1935 wrqu->freq.m = ((freq >> 5) * 5 + 24000L) * 10000;
1936 wrqu->freq.e = 1;
1937 } else {
1938 psa_read(dev,
1939 (char *) &psa.psa_subband - (char *) &psa,
1940 (unsigned char *) &psa.psa_subband, 1);
1941
1942 if (psa.psa_subband <= 4) {
1943 wrqu->freq.m = fixed_bands[psa.psa_subband];
1944 wrqu->freq.e = (psa.psa_subband != 0);
1945 } else
1946 ret = -EOPNOTSUPP;
1947 }
1948
1949 /* Enable interrupts and restore flags. */
1950 spin_unlock_irqrestore(&lp->spinlock, flags);
1951
1952 return ret;
1953}
1954
1955/*------------------------------------------------------------------*/
1956/*
1957 * Wireless Handler : set level threshold
1958 */
1959static int wavelan_set_sens(struct net_device *dev,
1960 struct iw_request_info *info,
1961 union iwreq_data *wrqu,
1962 char *extra)
1963{
1964 unsigned int base = dev->base_addr;
1965 net_local *lp = netdev_priv(dev);
1966 psa_t psa;
1967 unsigned long flags;
1968 int ret = 0;
1969
1970 /* Disable interrupts and save flags. */
1971 spin_lock_irqsave(&lp->spinlock, flags);
1972
1973 /* Set the level threshold. */
1974 /* We should complain loudly if wrqu->sens.fixed = 0, because we
1975 * can't set auto mode... */
1976 psa.psa_thr_pre_set = wrqu->sens.value & 0x3F;
1977 psa_write(dev,
1978 (char *) &psa.psa_thr_pre_set - (char *) &psa,
1979 (unsigned char *) &psa.psa_thr_pre_set, 1);
1980 /* update the Wavelan checksum */
1981 update_psa_checksum(dev);
1982 mmc_out(base, mmwoff(0, mmw_thr_pre_set),
1983 psa.psa_thr_pre_set);
1984
1985 /* Enable interrupts and restore flags. */
1986 spin_unlock_irqrestore(&lp->spinlock, flags);
1987
1988 return ret;
1989}
1990
1991/*------------------------------------------------------------------*/
1992/*
1993 * Wireless Handler : get level threshold
1994 */
1995static int wavelan_get_sens(struct net_device *dev,
1996 struct iw_request_info *info,
1997 union iwreq_data *wrqu,
1998 char *extra)
1999{
2000 net_local *lp = netdev_priv(dev);
2001 psa_t psa;
2002 unsigned long flags;
2003 int ret = 0;
2004
2005 /* Disable interrupts and save flags. */
2006 spin_lock_irqsave(&lp->spinlock, flags);
2007
2008 /* Read the level threshold. */
2009 psa_read(dev,
2010 (char *) &psa.psa_thr_pre_set - (char *) &psa,
2011 (unsigned char *) &psa.psa_thr_pre_set, 1);
2012 wrqu->sens.value = psa.psa_thr_pre_set & 0x3F;
2013 wrqu->sens.fixed = 1;
2014
2015 /* Enable interrupts and restore flags. */
2016 spin_unlock_irqrestore(&lp->spinlock, flags);
2017
2018 return ret;
2019}
2020
2021/*------------------------------------------------------------------*/
2022/*
2023 * Wireless Handler : set encryption key
2024 */
2025static int wavelan_set_encode(struct net_device *dev,
2026 struct iw_request_info *info,
2027 union iwreq_data *wrqu,
2028 char *extra)
2029{
2030 unsigned int base = dev->base_addr;
2031 net_local *lp = netdev_priv(dev);
2032 unsigned long flags;
2033 psa_t psa;
2034 int ret = 0;
2035
2036 /* Disable interrupts and save flags. */
2037 spin_lock_irqsave(&lp->spinlock, flags);
2038
2039 /* Check if capable of encryption */
2040 if (!mmc_encr(base)) {
2041 ret = -EOPNOTSUPP;
2042 }
2043
2044 /* Check the size of the key */
2045 if((wrqu->encoding.length != 8) && (wrqu->encoding.length != 0)) {
2046 ret = -EINVAL;
2047 }
2048
2049 if(!ret) {
2050 /* Basic checking... */
2051 if (wrqu->encoding.length == 8) {
2052 /* Copy the key in the driver */
2053 memcpy(psa.psa_encryption_key, extra,
2054 wrqu->encoding.length);
2055 psa.psa_encryption_select = 1;
2056
2057 psa_write(dev,
2058 (char *) &psa.psa_encryption_select -
2059 (char *) &psa,
2060 (unsigned char *) &psa.
2061 psa_encryption_select, 8 + 1);
2062
2063 mmc_out(base, mmwoff(0, mmw_encr_enable),
2064 MMW_ENCR_ENABLE_EN | MMW_ENCR_ENABLE_MODE);
2065 mmc_write(base, mmwoff(0, mmw_encr_key),
2066 (unsigned char *) &psa.
2067 psa_encryption_key, 8);
2068 }
2069
2070 /* disable encryption */
2071 if (wrqu->encoding.flags & IW_ENCODE_DISABLED) {
2072 psa.psa_encryption_select = 0;
2073 psa_write(dev,
2074 (char *) &psa.psa_encryption_select -
2075 (char *) &psa,
2076 (unsigned char *) &psa.
2077 psa_encryption_select, 1);
2078
2079 mmc_out(base, mmwoff(0, mmw_encr_enable), 0);
2080 }
2081 /* update the Wavelan checksum */
2082 update_psa_checksum(dev);
2083 }
2084
2085 /* Enable interrupts and restore flags. */
2086 spin_unlock_irqrestore(&lp->spinlock, flags);
2087
2088 return ret;
2089}
2090
2091/*------------------------------------------------------------------*/
2092/*
2093 * Wireless Handler : get encryption key
2094 */
2095static int wavelan_get_encode(struct net_device *dev,
2096 struct iw_request_info *info,
2097 union iwreq_data *wrqu,
2098 char *extra)
2099{
2100 unsigned int base = dev->base_addr;
2101 net_local *lp = netdev_priv(dev);
2102 psa_t psa;
2103 unsigned long flags;
2104 int ret = 0;
2105
2106 /* Disable interrupts and save flags. */
2107 spin_lock_irqsave(&lp->spinlock, flags);
2108
2109 /* Check if encryption is available */
2110 if (!mmc_encr(base)) {
2111 ret = -EOPNOTSUPP;
2112 } else {
2113 /* Read the encryption key */
2114 psa_read(dev,
2115 (char *) &psa.psa_encryption_select -
2116 (char *) &psa,
2117 (unsigned char *) &psa.
2118 psa_encryption_select, 1 + 8);
2119
2120 /* encryption is enabled ? */
2121 if (psa.psa_encryption_select)
2122 wrqu->encoding.flags = IW_ENCODE_ENABLED;
2123 else
2124 wrqu->encoding.flags = IW_ENCODE_DISABLED;
2125 wrqu->encoding.flags |= mmc_encr(base);
2126
2127 /* Copy the key to the user buffer */
2128 wrqu->encoding.length = 8;
2129 memcpy(extra, psa.psa_encryption_key, wrqu->encoding.length);
2130 }
2131
2132 /* Enable interrupts and restore flags. */
2133 spin_unlock_irqrestore(&lp->spinlock, flags);
2134
2135 return ret;
2136}
2137
2138#ifdef WAVELAN_ROAMING_EXT
2139/*------------------------------------------------------------------*/
2140/*
2141 * Wireless Handler : set ESSID (domain)
2142 */
2143static int wavelan_set_essid(struct net_device *dev,
2144 struct iw_request_info *info,
2145 union iwreq_data *wrqu,
2146 char *extra)
2147{
2148 net_local *lp = netdev_priv(dev);
2149 unsigned long flags;
2150 int ret = 0;
2151
2152 /* Disable interrupts and save flags. */
2153 spin_lock_irqsave(&lp->spinlock, flags);
2154
2155 /* Check if disable */
2156 if(wrqu->data.flags == 0)
2157 lp->filter_domains = 0;
2158 else {
2159 char essid[IW_ESSID_MAX_SIZE + 1];
2160 char * endp;
2161
2162 /* Terminate the string */
2163 memcpy(essid, extra, wrqu->data.length);
2164 essid[IW_ESSID_MAX_SIZE] = '\0';
2165
2166#ifdef DEBUG_IOCTL_INFO
2167 printk(KERN_DEBUG "SetEssid : ``%s''\n", essid);
2168#endif /* DEBUG_IOCTL_INFO */
2169
2170 /* Convert to a number (note : Wavelan specific) */
2171 lp->domain_id = simple_strtoul(essid, &endp, 16);
2172 /* Has it worked ? */
2173 if(endp > essid)
2174 lp->filter_domains = 1;
2175 else {
2176 lp->filter_domains = 0;
2177 ret = -EINVAL;
2178 }
2179 }
2180
2181 /* Enable interrupts and restore flags. */
2182 spin_unlock_irqrestore(&lp->spinlock, flags);
2183
2184 return ret;
2185}
2186
2187/*------------------------------------------------------------------*/
2188/*
2189 * Wireless Handler : get ESSID (domain)
2190 */
2191static int wavelan_get_essid(struct net_device *dev,
2192 struct iw_request_info *info,
2193 union iwreq_data *wrqu,
2194 char *extra)
2195{
2196 net_local *lp = netdev_priv(dev);
2197
2198 /* Is the domain ID active ? */
2199 wrqu->data.flags = lp->filter_domains;
2200
2201 /* Copy Domain ID into a string (Wavelan specific) */
2202 /* Sound crazy, be we can't have a snprintf in the kernel !!! */
2203 sprintf(extra, "%lX", lp->domain_id);
2204 extra[IW_ESSID_MAX_SIZE] = '\0';
2205
2206 /* Set the length */
2207 wrqu->data.length = strlen(extra);
2208
2209 return 0;
2210}
2211
2212/*------------------------------------------------------------------*/
2213/*
2214 * Wireless Handler : set AP address
2215 */
2216static int wavelan_set_wap(struct net_device *dev,
2217 struct iw_request_info *info,
2218 union iwreq_data *wrqu,
2219 char *extra)
2220{
2221#ifdef DEBUG_IOCTL_INFO
2222 printk(KERN_DEBUG "Set AP to : %pM\n", wrqu->ap_addr.sa_data);
2223#endif /* DEBUG_IOCTL_INFO */
2224
2225 return -EOPNOTSUPP;
2226}
2227
2228/*------------------------------------------------------------------*/
2229/*
2230 * Wireless Handler : get AP address
2231 */
2232static int wavelan_get_wap(struct net_device *dev,
2233 struct iw_request_info *info,
2234 union iwreq_data *wrqu,
2235 char *extra)
2236{
2237 /* Should get the real McCoy instead of own Ethernet address */
2238 memcpy(wrqu->ap_addr.sa_data, dev->dev_addr, WAVELAN_ADDR_SIZE);
2239 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
2240
2241 return -EOPNOTSUPP;
2242}
2243#endif /* WAVELAN_ROAMING_EXT */
2244
2245#ifdef WAVELAN_ROAMING
2246/*------------------------------------------------------------------*/
2247/*
2248 * Wireless Handler : set mode
2249 */
2250static int wavelan_set_mode(struct net_device *dev,
2251 struct iw_request_info *info,
2252 union iwreq_data *wrqu,
2253 char *extra)
2254{
2255 net_local *lp = netdev_priv(dev);
2256 unsigned long flags;
2257 int ret = 0;
2258
2259 /* Disable interrupts and save flags. */
2260 spin_lock_irqsave(&lp->spinlock, flags);
2261
2262 /* Check mode */
2263 switch(wrqu->mode) {
2264 case IW_MODE_ADHOC:
2265 if(do_roaming) {
2266 wv_roam_cleanup(dev);
2267 do_roaming = 0;
2268 }
2269 break;
2270 case IW_MODE_INFRA:
2271 if(!do_roaming) {
2272 wv_roam_init(dev);
2273 do_roaming = 1;
2274 }
2275 break;
2276 default:
2277 ret = -EINVAL;
2278 }
2279
2280 /* Enable interrupts and restore flags. */
2281 spin_unlock_irqrestore(&lp->spinlock, flags);
2282
2283 return ret;
2284}
2285
2286/*------------------------------------------------------------------*/
2287/*
2288 * Wireless Handler : get mode
2289 */
2290static int wavelan_get_mode(struct net_device *dev,
2291 struct iw_request_info *info,
2292 union iwreq_data *wrqu,
2293 char *extra)
2294{
2295 if(do_roaming)
2296 wrqu->mode = IW_MODE_INFRA;
2297 else
2298 wrqu->mode = IW_MODE_ADHOC;
2299
2300 return 0;
2301}
2302#endif /* WAVELAN_ROAMING */
2303
2304/*------------------------------------------------------------------*/
2305/*
2306 * Wireless Handler : get range info
2307 */
2308static int wavelan_get_range(struct net_device *dev,
2309 struct iw_request_info *info,
2310 union iwreq_data *wrqu,
2311 char *extra)
2312{
2313 unsigned int base = dev->base_addr;
2314 net_local *lp = netdev_priv(dev);
2315 struct iw_range *range = (struct iw_range *) extra;
2316 unsigned long flags;
2317 int ret = 0;
2318
2319 /* Set the length (very important for backward compatibility) */
2320 wrqu->data.length = sizeof(struct iw_range);
2321
2322 /* Set all the info we don't care or don't know about to zero */
2323 memset(range, 0, sizeof(struct iw_range));
2324
2325 /* Set the Wireless Extension versions */
2326 range->we_version_compiled = WIRELESS_EXT;
2327 range->we_version_source = 9;
2328
2329 /* Set information in the range struct. */
2330 range->throughput = 1.4 * 1000 * 1000; /* don't argue on this ! */
2331 range->min_nwid = 0x0000;
2332 range->max_nwid = 0xFFFF;
2333
2334 range->sensitivity = 0x3F;
2335 range->max_qual.qual = MMR_SGNL_QUAL;
2336 range->max_qual.level = MMR_SIGNAL_LVL;
2337 range->max_qual.noise = MMR_SILENCE_LVL;
2338 range->avg_qual.qual = MMR_SGNL_QUAL; /* Always max */
2339 /* Need to get better values for those two */
2340 range->avg_qual.level = 30;
2341 range->avg_qual.noise = 8;
2342
2343 range->num_bitrates = 1;
2344 range->bitrate[0] = 2000000; /* 2 Mb/s */
2345
2346 /* Event capability (kernel + driver) */
2347 range->event_capa[0] = (IW_EVENT_CAPA_MASK(0x8B02) |
2348 IW_EVENT_CAPA_MASK(0x8B04) |
2349 IW_EVENT_CAPA_MASK(0x8B06));
2350 range->event_capa[1] = IW_EVENT_CAPA_K_1;
2351
2352 /* Disable interrupts and save flags. */
2353 spin_lock_irqsave(&lp->spinlock, flags);
2354
2355 /* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable). */
2356 if (!(mmc_in(base, mmroff(0, mmr_fee_status)) &
2357 (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY))) {
2358 range->num_channels = 10;
2359 range->num_frequency = wv_frequency_list(base, range->freq,
2360 IW_MAX_FREQUENCIES);
2361 } else
2362 range->num_channels = range->num_frequency = 0;
2363
2364 /* Encryption supported ? */
2365 if (mmc_encr(base)) {
2366 range->encoding_size[0] = 8; /* DES = 64 bits key */
2367 range->num_encoding_sizes = 1;
2368 range->max_encoding_tokens = 1; /* Only one key possible */
2369 } else {
2370 range->num_encoding_sizes = 0;
2371 range->max_encoding_tokens = 0;
2372 }
2373
2374 /* Enable interrupts and restore flags. */
2375 spin_unlock_irqrestore(&lp->spinlock, flags);
2376
2377 return ret;
2378}
2379
2380/*------------------------------------------------------------------*/
2381/*
2382 * Wireless Private Handler : set quality threshold
2383 */
2384static int wavelan_set_qthr(struct net_device *dev,
2385 struct iw_request_info *info,
2386 union iwreq_data *wrqu,
2387 char *extra)
2388{
2389 unsigned int base = dev->base_addr;
2390 net_local *lp = netdev_priv(dev);
2391 psa_t psa;
2392 unsigned long flags;
2393
2394 /* Disable interrupts and save flags. */
2395 spin_lock_irqsave(&lp->spinlock, flags);
2396
2397 psa.psa_quality_thr = *(extra) & 0x0F;
2398 psa_write(dev,
2399 (char *) &psa.psa_quality_thr - (char *) &psa,
2400 (unsigned char *) &psa.psa_quality_thr, 1);
2401 /* update the Wavelan checksum */
2402 update_psa_checksum(dev);
2403 mmc_out(base, mmwoff(0, mmw_quality_thr),
2404 psa.psa_quality_thr);
2405
2406 /* Enable interrupts and restore flags. */
2407 spin_unlock_irqrestore(&lp->spinlock, flags);
2408
2409 return 0;
2410}
2411
2412/*------------------------------------------------------------------*/
2413/*
2414 * Wireless Private Handler : get quality threshold
2415 */
2416static int wavelan_get_qthr(struct net_device *dev,
2417 struct iw_request_info *info,
2418 union iwreq_data *wrqu,
2419 char *extra)
2420{
2421 net_local *lp = netdev_priv(dev);
2422 psa_t psa;
2423 unsigned long flags;
2424
2425 /* Disable interrupts and save flags. */
2426 spin_lock_irqsave(&lp->spinlock, flags);
2427
2428 psa_read(dev,
2429 (char *) &psa.psa_quality_thr - (char *) &psa,
2430 (unsigned char *) &psa.psa_quality_thr, 1);
2431 *(extra) = psa.psa_quality_thr & 0x0F;
2432
2433 /* Enable interrupts and restore flags. */
2434 spin_unlock_irqrestore(&lp->spinlock, flags);
2435
2436 return 0;
2437}
2438
2439#ifdef WAVELAN_ROAMING
2440/*------------------------------------------------------------------*/
2441/*
2442 * Wireless Private Handler : set roaming
2443 */
2444static int wavelan_set_roam(struct net_device *dev,
2445 struct iw_request_info *info,
2446 union iwreq_data *wrqu,
2447 char *extra)
2448{
2449 net_local *lp = netdev_priv(dev);
2450 unsigned long flags;
2451
2452 /* Disable interrupts and save flags. */
2453 spin_lock_irqsave(&lp->spinlock, flags);
2454
2455 /* Note : should check if user == root */
2456 if(do_roaming && (*extra)==0)
2457 wv_roam_cleanup(dev);
2458 else if(do_roaming==0 && (*extra)!=0)
2459 wv_roam_init(dev);
2460
2461 do_roaming = (*extra);
2462
2463 /* Enable interrupts and restore flags. */
2464 spin_unlock_irqrestore(&lp->spinlock, flags);
2465
2466 return 0;
2467}
2468
2469/*------------------------------------------------------------------*/
2470/*
2471 * Wireless Private Handler : get quality threshold
2472 */
2473static int wavelan_get_roam(struct net_device *dev,
2474 struct iw_request_info *info,
2475 union iwreq_data *wrqu,
2476 char *extra)
2477{
2478 *(extra) = do_roaming;
2479
2480 return 0;
2481}
2482#endif /* WAVELAN_ROAMING */
2483
2484#ifdef HISTOGRAM
2485/*------------------------------------------------------------------*/
2486/*
2487 * Wireless Private Handler : set histogram
2488 */
2489static int wavelan_set_histo(struct net_device *dev,
2490 struct iw_request_info *info,
2491 union iwreq_data *wrqu,
2492 char *extra)
2493{
2494 net_local *lp = netdev_priv(dev);
2495
2496 /* Check the number of intervals. */
2497 if (wrqu->data.length > 16) {
2498 return(-E2BIG);
2499 }
2500
2501 /* Disable histo while we copy the addresses.
2502 * As we don't disable interrupts, we need to do this */
2503 lp->his_number = 0;
2504
2505 /* Are there ranges to copy? */
2506 if (wrqu->data.length > 0) {
2507 /* Copy interval ranges to the driver */
2508 memcpy(lp->his_range, extra, wrqu->data.length);
2509
2510 {
2511 int i;
2512 printk(KERN_DEBUG "Histo :");
2513 for(i = 0; i < wrqu->data.length; i++)
2514 printk(" %d", lp->his_range[i]);
2515 printk("\n");
2516 }
2517
2518 /* Reset result structure. */
2519 memset(lp->his_sum, 0x00, sizeof(long) * 16);
2520 }
2521
2522 /* Now we can set the number of ranges */
2523 lp->his_number = wrqu->data.length;
2524
2525 return(0);
2526}
2527
2528/*------------------------------------------------------------------*/
2529/*
2530 * Wireless Private Handler : get histogram
2531 */
2532static int wavelan_get_histo(struct net_device *dev,
2533 struct iw_request_info *info,
2534 union iwreq_data *wrqu,
2535 char *extra)
2536{
2537 net_local *lp = netdev_priv(dev);
2538
2539 /* Set the number of intervals. */
2540 wrqu->data.length = lp->his_number;
2541
2542 /* Give back the distribution statistics */
2543 if(lp->his_number > 0)
2544 memcpy(extra, lp->his_sum, sizeof(long) * lp->his_number);
2545
2546 return(0);
2547}
2548#endif /* HISTOGRAM */
2549
2550/*------------------------------------------------------------------*/
2551/*
2552 * Structures to export the Wireless Handlers
2553 */
2554
2555static const struct iw_priv_args wavelan_private_args[] = {
2556/*{ cmd, set_args, get_args, name } */
2557 { SIOCSIPQTHR, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0, "setqualthr" },
2558 { SIOCGIPQTHR, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "getqualthr" },
2559 { SIOCSIPROAM, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0, "setroam" },
2560 { SIOCGIPROAM, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "getroam" },
2561 { SIOCSIPHISTO, IW_PRIV_TYPE_BYTE | 16, 0, "sethisto" },
2562 { SIOCGIPHISTO, 0, IW_PRIV_TYPE_INT | 16, "gethisto" },
2563};
2564
2565static const iw_handler wavelan_handler[] =
2566{
2567 NULL, /* SIOCSIWNAME */
2568 wavelan_get_name, /* SIOCGIWNAME */
2569 wavelan_set_nwid, /* SIOCSIWNWID */
2570 wavelan_get_nwid, /* SIOCGIWNWID */
2571 wavelan_set_freq, /* SIOCSIWFREQ */
2572 wavelan_get_freq, /* SIOCGIWFREQ */
2573#ifdef WAVELAN_ROAMING
2574 wavelan_set_mode, /* SIOCSIWMODE */
2575 wavelan_get_mode, /* SIOCGIWMODE */
2576#else /* WAVELAN_ROAMING */
2577 NULL, /* SIOCSIWMODE */
2578 NULL, /* SIOCGIWMODE */
2579#endif /* WAVELAN_ROAMING */
2580 wavelan_set_sens, /* SIOCSIWSENS */
2581 wavelan_get_sens, /* SIOCGIWSENS */
2582 NULL, /* SIOCSIWRANGE */
2583 wavelan_get_range, /* SIOCGIWRANGE */
2584 NULL, /* SIOCSIWPRIV */
2585 NULL, /* SIOCGIWPRIV */
2586 NULL, /* SIOCSIWSTATS */
2587 NULL, /* SIOCGIWSTATS */
2588 iw_handler_set_spy, /* SIOCSIWSPY */
2589 iw_handler_get_spy, /* SIOCGIWSPY */
2590 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
2591 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
2592#ifdef WAVELAN_ROAMING_EXT
2593 wavelan_set_wap, /* SIOCSIWAP */
2594 wavelan_get_wap, /* SIOCGIWAP */
2595 NULL, /* -- hole -- */
2596 NULL, /* SIOCGIWAPLIST */
2597 NULL, /* -- hole -- */
2598 NULL, /* -- hole -- */
2599 wavelan_set_essid, /* SIOCSIWESSID */
2600 wavelan_get_essid, /* SIOCGIWESSID */
2601#else /* WAVELAN_ROAMING_EXT */
2602 NULL, /* SIOCSIWAP */
2603 NULL, /* SIOCGIWAP */
2604 NULL, /* -- hole -- */
2605 NULL, /* SIOCGIWAPLIST */
2606 NULL, /* -- hole -- */
2607 NULL, /* -- hole -- */
2608 NULL, /* SIOCSIWESSID */
2609 NULL, /* SIOCGIWESSID */
2610#endif /* WAVELAN_ROAMING_EXT */
2611 NULL, /* SIOCSIWNICKN */
2612 NULL, /* SIOCGIWNICKN */
2613 NULL, /* -- hole -- */
2614 NULL, /* -- hole -- */
2615 NULL, /* SIOCSIWRATE */
2616 NULL, /* SIOCGIWRATE */
2617 NULL, /* SIOCSIWRTS */
2618 NULL, /* SIOCGIWRTS */
2619 NULL, /* SIOCSIWFRAG */
2620 NULL, /* SIOCGIWFRAG */
2621 NULL, /* SIOCSIWTXPOW */
2622 NULL, /* SIOCGIWTXPOW */
2623 NULL, /* SIOCSIWRETRY */
2624 NULL, /* SIOCGIWRETRY */
2625 wavelan_set_encode, /* SIOCSIWENCODE */
2626 wavelan_get_encode, /* SIOCGIWENCODE */
2627};
2628
2629static const iw_handler wavelan_private_handler[] =
2630{
2631 wavelan_set_qthr, /* SIOCIWFIRSTPRIV */
2632 wavelan_get_qthr, /* SIOCIWFIRSTPRIV + 1 */
2633#ifdef WAVELAN_ROAMING
2634 wavelan_set_roam, /* SIOCIWFIRSTPRIV + 2 */
2635 wavelan_get_roam, /* SIOCIWFIRSTPRIV + 3 */
2636#else /* WAVELAN_ROAMING */
2637 NULL, /* SIOCIWFIRSTPRIV + 2 */
2638 NULL, /* SIOCIWFIRSTPRIV + 3 */
2639#endif /* WAVELAN_ROAMING */
2640#ifdef HISTOGRAM
2641 wavelan_set_histo, /* SIOCIWFIRSTPRIV + 4 */
2642 wavelan_get_histo, /* SIOCIWFIRSTPRIV + 5 */
2643#endif /* HISTOGRAM */
2644};
2645
2646static const struct iw_handler_def wavelan_handler_def =
2647{
2648 .num_standard = ARRAY_SIZE(wavelan_handler),
2649 .num_private = ARRAY_SIZE(wavelan_private_handler),
2650 .num_private_args = ARRAY_SIZE(wavelan_private_args),
2651 .standard = wavelan_handler,
2652 .private = wavelan_private_handler,
2653 .private_args = wavelan_private_args,
2654 .get_wireless_stats = wavelan_get_wireless_stats,
2655};
2656
2657/*------------------------------------------------------------------*/
2658/*
2659 * Get wireless statistics
2660 * Called by /proc/net/wireless...
2661 */
2662static iw_stats *
2663wavelan_get_wireless_stats(struct net_device * dev)
2664{
2665 unsigned int base = dev->base_addr;
2666 net_local * lp = netdev_priv(dev);
2667 mmr_t m;
2668 iw_stats * wstats;
2669 unsigned long flags;
2670
2671#ifdef DEBUG_IOCTL_TRACE
2672 printk(KERN_DEBUG "%s: ->wavelan_get_wireless_stats()\n", dev->name);
2673#endif
2674
2675 /* Disable interrupts & save flags */
2676 spin_lock_irqsave(&lp->spinlock, flags);
2677
2678 wstats = &lp->wstats;
2679
2680 /* Get data from the mmc */
2681 mmc_out(base, mmwoff(0, mmw_freeze), 1);
2682
2683 mmc_read(base, mmroff(0, mmr_dce_status), &m.mmr_dce_status, 1);
2684 mmc_read(base, mmroff(0, mmr_wrong_nwid_l), &m.mmr_wrong_nwid_l, 2);
2685 mmc_read(base, mmroff(0, mmr_thr_pre_set), &m.mmr_thr_pre_set, 4);
2686
2687 mmc_out(base, mmwoff(0, mmw_freeze), 0);
2688
2689 /* Copy data to wireless stuff */
2690 wstats->status = m.mmr_dce_status & MMR_DCE_STATUS;
2691 wstats->qual.qual = m.mmr_sgnl_qual & MMR_SGNL_QUAL;
2692 wstats->qual.level = m.mmr_signal_lvl & MMR_SIGNAL_LVL;
2693 wstats->qual.noise = m.mmr_silence_lvl & MMR_SILENCE_LVL;
2694 wstats->qual.updated = (((m.mmr_signal_lvl & MMR_SIGNAL_LVL_VALID) >> 7) |
2695 ((m.mmr_signal_lvl & MMR_SIGNAL_LVL_VALID) >> 6) |
2696 ((m.mmr_silence_lvl & MMR_SILENCE_LVL_VALID) >> 5));
2697 wstats->discard.nwid += (m.mmr_wrong_nwid_h << 8) | m.mmr_wrong_nwid_l;
2698 wstats->discard.code = 0L;
2699 wstats->discard.misc = 0L;
2700
2701 /* ReEnable interrupts & restore flags */
2702 spin_unlock_irqrestore(&lp->spinlock, flags);
2703
2704#ifdef DEBUG_IOCTL_TRACE
2705 printk(KERN_DEBUG "%s: <-wavelan_get_wireless_stats()\n", dev->name);
2706#endif
2707 return &lp->wstats;
2708}
2709
2710/************************* PACKET RECEPTION *************************/
2711/*
2712 * This part deal with receiving the packets.
2713 * The interrupt handler get an interrupt when a packet has been
2714 * successfully received and called this part...
2715 */
2716
2717/*------------------------------------------------------------------*/
2718/*
2719 * Calculate the starting address of the frame pointed to by the receive
2720 * frame pointer and verify that the frame seem correct
2721 * (called by wv_packet_rcv())
2722 */
2723static int
2724wv_start_of_frame(struct net_device * dev,
2725 int rfp, /* end of frame */
2726 int wrap) /* start of buffer */
2727{
2728 unsigned int base = dev->base_addr;
2729 int rp;
2730 int len;
2731
2732 rp = (rfp - 5 + RX_SIZE) % RX_SIZE;
2733 outb(rp & 0xff, PIORL(base));
2734 outb(((rp >> 8) & PIORH_MASK), PIORH(base));
2735 len = inb(PIOP(base));
2736 len |= inb(PIOP(base)) << 8;
2737
2738 /* Sanity checks on size */
2739 /* Frame too big */
2740 if(len > MAXDATAZ + 100)
2741 {
2742#ifdef DEBUG_RX_ERROR
2743 printk(KERN_INFO "%s: wv_start_of_frame: Received frame too large, rfp %d len 0x%x\n",
2744 dev->name, rfp, len);
2745#endif
2746 return(-1);
2747 }
2748
2749 /* Frame too short */
2750 if(len < 7)
2751 {
2752#ifdef DEBUG_RX_ERROR
2753 printk(KERN_INFO "%s: wv_start_of_frame: Received null frame, rfp %d len 0x%x\n",
2754 dev->name, rfp, len);
2755#endif
2756 return(-1);
2757 }
2758
2759 /* Wrap around buffer */
2760 if(len > ((wrap - (rfp - len) + RX_SIZE) % RX_SIZE)) /* magic formula ! */
2761 {
2762#ifdef DEBUG_RX_ERROR
2763 printk(KERN_INFO "%s: wv_start_of_frame: wrap around buffer, wrap %d rfp %d len 0x%x\n",
2764 dev->name, wrap, rfp, len);
2765#endif
2766 return(-1);
2767 }
2768
2769 return((rp - len + RX_SIZE) % RX_SIZE);
2770} /* wv_start_of_frame */
2771
2772/*------------------------------------------------------------------*/
2773/*
2774 * This routine does the actual copy of data (including the ethernet
2775 * header structure) from the WaveLAN card to an sk_buff chain that
2776 * will be passed up to the network interface layer. NOTE: We
2777 * currently don't handle trailer protocols (neither does the rest of
2778 * the network interface), so if that is needed, it will (at least in
2779 * part) be added here. The contents of the receive ring buffer are
2780 * copied to a message chain that is then passed to the kernel.
2781 *
2782 * Note: if any errors occur, the packet is "dropped on the floor"
2783 * (called by wv_packet_rcv())
2784 */
2785static void
2786wv_packet_read(struct net_device * dev,
2787 int fd_p,
2788 int sksize)
2789{
2790 net_local * lp = netdev_priv(dev);
2791 struct sk_buff * skb;
2792
2793#ifdef DEBUG_RX_TRACE
2794 printk(KERN_DEBUG "%s: ->wv_packet_read(0x%X, %d)\n",
2795 dev->name, fd_p, sksize);
2796#endif
2797
2798 /* Allocate some buffer for the new packet */
2799 if((skb = dev_alloc_skb(sksize+2)) == (struct sk_buff *) NULL)
2800 {
2801#ifdef DEBUG_RX_ERROR
2802 printk(KERN_INFO "%s: wv_packet_read(): could not alloc_skb(%d, GFP_ATOMIC)\n",
2803 dev->name, sksize);
2804#endif
2805 dev->stats.rx_dropped++;
2806 /*
2807 * Not only do we want to return here, but we also need to drop the
2808 * packet on the floor to clear the interrupt.
2809 */
2810 return;
2811 }
2812
2813 skb_reserve(skb, 2);
2814 fd_p = read_ringbuf(dev, fd_p, (char *) skb_put(skb, sksize), sksize);
2815 skb->protocol = eth_type_trans(skb, dev);
2816
2817#ifdef DEBUG_RX_INFO
2818 wv_packet_info(skb_mac_header(skb), sksize, dev->name, "wv_packet_read");
2819#endif /* DEBUG_RX_INFO */
2820
2821 /* Statistics gathering & stuff associated.
2822 * It seem a bit messy with all the define, but it's really simple... */
2823 if(
2824#ifdef IW_WIRELESS_SPY
2825 (lp->spy_data.spy_number > 0) ||
2826#endif /* IW_WIRELESS_SPY */
2827#ifdef HISTOGRAM
2828 (lp->his_number > 0) ||
2829#endif /* HISTOGRAM */
2830#ifdef WAVELAN_ROAMING
2831 (do_roaming) ||
2832#endif /* WAVELAN_ROAMING */
2833 0)
2834 {
2835 u_char stats[3]; /* Signal level, Noise level, Signal quality */
2836
2837 /* read signal level, silence level and signal quality bytes */
2838 fd_p = read_ringbuf(dev, (fd_p + 4) % RX_SIZE + RX_BASE,
2839 stats, 3);
2840#ifdef DEBUG_RX_INFO
2841 printk(KERN_DEBUG "%s: wv_packet_read(): Signal level %d/63, Silence level %d/63, signal quality %d/16\n",
2842 dev->name, stats[0] & 0x3F, stats[1] & 0x3F, stats[2] & 0x0F);
2843#endif
2844
2845#ifdef WAVELAN_ROAMING
2846 if(do_roaming)
2847 if(WAVELAN_BEACON(skb->data))
2848 wl_roam_gather(dev, skb->data, stats);
2849#endif /* WAVELAN_ROAMING */
2850
2851#ifdef WIRELESS_SPY
2852 wl_spy_gather(dev, skb_mac_header(skb) + WAVELAN_ADDR_SIZE, stats);
2853#endif /* WIRELESS_SPY */
2854#ifdef HISTOGRAM
2855 wl_his_gather(dev, stats);
2856#endif /* HISTOGRAM */
2857 }
2858
2859 /*
2860 * Hand the packet to the Network Module
2861 */
2862 netif_rx(skb);
2863
2864 /* Keep stats up to date */
2865 dev->stats.rx_packets++;
2866 dev->stats.rx_bytes += sksize;
2867
2868#ifdef DEBUG_RX_TRACE
2869 printk(KERN_DEBUG "%s: <-wv_packet_read()\n", dev->name);
2870#endif
2871 return;
2872}
2873
2874/*------------------------------------------------------------------*/
2875/*
2876 * This routine is called by the interrupt handler to initiate a
2877 * packet transfer from the card to the network interface layer above
2878 * this driver. This routine checks if a buffer has been successfully
2879 * received by the WaveLAN card. If so, the routine wv_packet_read is
2880 * called to do the actual transfer of the card's data including the
2881 * ethernet header into a packet consisting of an sk_buff chain.
2882 * (called by wavelan_interrupt())
2883 * Note : the spinlock is already grabbed for us and irq are disabled.
2884 */
2885static void
2886wv_packet_rcv(struct net_device * dev)
2887{
2888 unsigned int base = dev->base_addr;
2889 net_local * lp = netdev_priv(dev);
2890 int newrfp;
2891 int rp;
2892 int len;
2893 int f_start;
2894 int status;
2895 int i593_rfp;
2896 int stat_ptr;
2897 u_char c[4];
2898
2899#ifdef DEBUG_RX_TRACE
2900 printk(KERN_DEBUG "%s: ->wv_packet_rcv()\n", dev->name);
2901#endif
2902
2903 /* Get the new receive frame pointer from the i82593 chip */
2904 outb(CR0_STATUS_2 | OP0_NOP, LCCR(base));
2905 i593_rfp = inb(LCSR(base));
2906 i593_rfp |= inb(LCSR(base)) << 8;
2907 i593_rfp %= RX_SIZE;
2908
2909 /* Get the new receive frame pointer from the WaveLAN card.
2910 * It is 3 bytes more than the increment of the i82593 receive
2911 * frame pointer, for each packet. This is because it includes the
2912 * 3 roaming bytes added by the mmc.
2913 */
2914 newrfp = inb(RPLL(base));
2915 newrfp |= inb(RPLH(base)) << 8;
2916 newrfp %= RX_SIZE;
2917
2918#ifdef DEBUG_RX_INFO
2919 printk(KERN_DEBUG "%s: wv_packet_rcv(): i593_rfp %d stop %d newrfp %d lp->rfp %d\n",
2920 dev->name, i593_rfp, lp->stop, newrfp, lp->rfp);
2921#endif
2922
2923#ifdef DEBUG_RX_ERROR
2924 /* If no new frame pointer... */
2925 if(lp->overrunning || newrfp == lp->rfp)
2926 printk(KERN_INFO "%s: wv_packet_rcv(): no new frame: i593_rfp %d stop %d newrfp %d lp->rfp %d\n",
2927 dev->name, i593_rfp, lp->stop, newrfp, lp->rfp);
2928#endif
2929
2930 /* Read all frames (packets) received */
2931 while(newrfp != lp->rfp)
2932 {
2933 /* A frame is composed of the packet, followed by a status word,
2934 * the length of the frame (word) and the mmc info (SNR & qual).
2935 * It's because the length is at the end that we can only scan
2936 * frames backward. */
2937
2938 /* Find the first frame by skipping backwards over the frames */
2939 rp = newrfp; /* End of last frame */
2940 while(((f_start = wv_start_of_frame(dev, rp, newrfp)) != lp->rfp) &&
2941 (f_start != -1))
2942 rp = f_start;
2943
2944 /* If we had a problem */
2945 if(f_start == -1)
2946 {
2947#ifdef DEBUG_RX_ERROR
2948 printk(KERN_INFO "wavelan_cs: cannot find start of frame ");
2949 printk(" i593_rfp %d stop %d newrfp %d lp->rfp %d\n",
2950 i593_rfp, lp->stop, newrfp, lp->rfp);
2951#endif
2952 lp->rfp = rp; /* Get to the last usable frame */
2953 continue;
2954 }
2955
2956 /* f_start point to the beggining of the first frame received
2957 * and rp to the beggining of the next one */
2958
2959 /* Read status & length of the frame */
2960 stat_ptr = (rp - 7 + RX_SIZE) % RX_SIZE;
2961 stat_ptr = read_ringbuf(dev, stat_ptr, c, 4);
2962 status = c[0] | (c[1] << 8);
2963 len = c[2] | (c[3] << 8);
2964
2965 /* Check status */
2966 if((status & RX_RCV_OK) != RX_RCV_OK)
2967 {
2968 dev->stats.rx_errors++;
2969 if(status & RX_NO_SFD)
2970 dev->stats.rx_frame_errors++;
2971 if(status & RX_CRC_ERR)
2972 dev->stats.rx_crc_errors++;
2973 if(status & RX_OVRRUN)
2974 dev->stats.rx_over_errors++;
2975
2976#ifdef DEBUG_RX_FAIL
2977 printk(KERN_DEBUG "%s: wv_packet_rcv(): packet not received ok, status = 0x%x\n",
2978 dev->name, status);
2979#endif
2980 }
2981 else
2982 /* Read the packet and transmit to Linux */
2983 wv_packet_read(dev, f_start, len - 2);
2984
2985 /* One frame has been processed, skip it */
2986 lp->rfp = rp;
2987 }
2988
2989 /*
2990 * Update the frame stop register, but set it to less than
2991 * the full 8K to allow space for 3 bytes of signal strength
2992 * per packet.
2993 */
2994 lp->stop = (i593_rfp + RX_SIZE - ((RX_SIZE / 64) * 3)) % RX_SIZE;
2995 outb(OP0_SWIT_TO_PORT_1 | CR0_CHNL, LCCR(base));
2996 outb(CR1_STOP_REG_UPDATE | (lp->stop >> RX_SIZE_SHIFT), LCCR(base));
2997 outb(OP1_SWIT_TO_PORT_0, LCCR(base));
2998
2999#ifdef DEBUG_RX_TRACE
3000 printk(KERN_DEBUG "%s: <-wv_packet_rcv()\n", dev->name);
3001#endif
3002}
3003
3004/*********************** PACKET TRANSMISSION ***********************/
3005/*
3006 * This part deal with sending packet through the wavelan
3007 * We copy the packet to the send buffer and then issue the send
3008 * command to the i82593. The result of this operation will be
3009 * checked in wavelan_interrupt()
3010 */
3011
3012/*------------------------------------------------------------------*/
3013/*
3014 * This routine fills in the appropriate registers and memory
3015 * locations on the WaveLAN card and starts the card off on
3016 * the transmit.
3017 * (called in wavelan_packet_xmit())
3018 */
3019static void
3020wv_packet_write(struct net_device * dev,
3021 void * buf,
3022 short length)
3023{
3024 net_local * lp = netdev_priv(dev);
3025 unsigned int base = dev->base_addr;
3026 unsigned long flags;
3027 int clen = length;
3028 register u_short xmtdata_base = TX_BASE;
3029
3030#ifdef DEBUG_TX_TRACE
3031 printk(KERN_DEBUG "%s: ->wv_packet_write(%d)\n", dev->name, length);
3032#endif
3033
3034 spin_lock_irqsave(&lp->spinlock, flags);
3035
3036 /* Write the length of data buffer followed by the buffer */
3037 outb(xmtdata_base & 0xff, PIORL(base));
3038 outb(((xmtdata_base >> 8) & PIORH_MASK) | PIORH_SEL_TX, PIORH(base));
3039 outb(clen & 0xff, PIOP(base)); /* lsb */
3040 outb(clen >> 8, PIOP(base)); /* msb */
3041
3042 /* Send the data */
3043 outsb(PIOP(base), buf, clen);
3044
3045 /* Indicate end of transmit chain */
3046 outb(OP0_NOP, PIOP(base));
3047 /* josullvn@cs.cmu.edu: need to send a second NOP for alignment... */
3048 outb(OP0_NOP, PIOP(base));
3049
3050 /* Reset the transmit DMA pointer */
3051 hacr_write_slow(base, HACR_PWR_STAT | HACR_TX_DMA_RESET);
3052 hacr_write(base, HACR_DEFAULT);
3053 /* Send the transmit command */
3054 wv_82593_cmd(dev, "wv_packet_write(): transmit",
3055 OP0_TRANSMIT, SR0_NO_RESULT);
3056
3057 /* Make sure the watchdog will keep quiet for a while */
3058 dev->trans_start = jiffies;
3059
3060 /* Keep stats up to date */
3061 dev->stats.tx_bytes += length;
3062
3063 spin_unlock_irqrestore(&lp->spinlock, flags);
3064
3065#ifdef DEBUG_TX_INFO
3066 wv_packet_info((u_char *) buf, length, dev->name, "wv_packet_write");
3067#endif /* DEBUG_TX_INFO */
3068
3069#ifdef DEBUG_TX_TRACE
3070 printk(KERN_DEBUG "%s: <-wv_packet_write()\n", dev->name);
3071#endif
3072}
3073
3074/*------------------------------------------------------------------*/
3075/*
3076 * This routine is called when we want to send a packet (NET3 callback)
3077 * In this routine, we check if the harware is ready to accept
3078 * the packet. We also prevent reentrance. Then, we call the function
3079 * to send the packet...
3080 */
3081static netdev_tx_t
3082wavelan_packet_xmit(struct sk_buff * skb,
3083 struct net_device * dev)
3084{
3085 net_local * lp = netdev_priv(dev);
3086 unsigned long flags;
3087
3088#ifdef DEBUG_TX_TRACE
3089 printk(KERN_DEBUG "%s: ->wavelan_packet_xmit(0x%X)\n", dev->name,
3090 (unsigned) skb);
3091#endif
3092
3093 /*
3094 * Block a timer-based transmit from overlapping a previous transmit.
3095 * In other words, prevent reentering this routine.
3096 */
3097 netif_stop_queue(dev);
3098
3099 /* If somebody has asked to reconfigure the controller,
3100 * we can do it now */
3101 if(lp->reconfig_82593)
3102 {
3103 spin_lock_irqsave(&lp->spinlock, flags); /* Disable interrupts */
3104 wv_82593_config(dev);
3105 spin_unlock_irqrestore(&lp->spinlock, flags); /* Re-enable interrupts */
3106 /* Note : the configure procedure was totally synchronous,
3107 * so the Tx buffer is now free */
3108 }
3109
3110 /* Check if we need some padding */
3111 /* Note : on wireless the propagation time is in the order of 1us,
3112 * and we don't have the Ethernet specific requirement of beeing
3113 * able to detect collisions, therefore in theory we don't really
3114 * need to pad. Jean II */
3115 if (skb_padto(skb, ETH_ZLEN))
3116 return NETDEV_TX_OK;
3117
3118 wv_packet_write(dev, skb->data, skb->len);
3119
3120 dev_kfree_skb(skb);
3121
3122#ifdef DEBUG_TX_TRACE
3123 printk(KERN_DEBUG "%s: <-wavelan_packet_xmit()\n", dev->name);
3124#endif
3125 return NETDEV_TX_OK;
3126}
3127
3128/********************** HARDWARE CONFIGURATION **********************/
3129/*
3130 * This part do the real job of starting and configuring the hardware.
3131 */
3132
3133/*------------------------------------------------------------------*/
3134/*
3135 * Routine to initialize the Modem Management Controller.
3136 * (called by wv_hw_config())
3137 */
3138static int
3139wv_mmc_init(struct net_device * dev)
3140{
3141 unsigned int base = dev->base_addr;
3142 psa_t psa;
3143 mmw_t m;
3144 int configured;
3145 int i; /* Loop counter */
3146
3147#ifdef DEBUG_CONFIG_TRACE
3148 printk(KERN_DEBUG "%s: ->wv_mmc_init()\n", dev->name);
3149#endif
3150
3151 /* Read the parameter storage area */
3152 psa_read(dev, 0, (unsigned char *) &psa, sizeof(psa));
3153
3154 /*
3155 * Check the first three octets of the MAC addr for the manufacturer's code.
3156 * Note: If you get the error message below, you've got a
3157 * non-NCR/AT&T/Lucent PCMCIA cards, see wavelan_cs.h for detail on
3158 * how to configure your card...
3159 */
3160 for (i = 0; i < ARRAY_SIZE(MAC_ADDRESSES); i++)
3161 if ((psa.psa_univ_mac_addr[0] == MAC_ADDRESSES[i][0]) &&
3162 (psa.psa_univ_mac_addr[1] == MAC_ADDRESSES[i][1]) &&
3163 (psa.psa_univ_mac_addr[2] == MAC_ADDRESSES[i][2]))
3164 break;
3165
3166 /* If we have not found it... */
3167 if (i == ARRAY_SIZE(MAC_ADDRESSES))
3168 {
3169#ifdef DEBUG_CONFIG_ERRORS
3170 printk(KERN_WARNING "%s: wv_mmc_init(): Invalid MAC address: %02X:%02X:%02X:...\n",
3171 dev->name, psa.psa_univ_mac_addr[0],
3172 psa.psa_univ_mac_addr[1], psa.psa_univ_mac_addr[2]);
3173#endif
3174 return FALSE;
3175 }
3176
3177 /* Get the MAC address */
3178 memcpy(&dev->dev_addr[0], &psa.psa_univ_mac_addr[0], WAVELAN_ADDR_SIZE);
3179
3180#ifdef USE_PSA_CONFIG
3181 configured = psa.psa_conf_status & 1;
3182#else
3183 configured = 0;
3184#endif
3185
3186 /* Is the PSA is not configured */
3187 if(!configured)
3188 {
3189 /* User will be able to configure NWID after (with iwconfig) */
3190 psa.psa_nwid[0] = 0;
3191 psa.psa_nwid[1] = 0;
3192
3193 /* As NWID is not set : no NWID checking */
3194 psa.psa_nwid_select = 0;
3195
3196 /* Disable encryption */
3197 psa.psa_encryption_select = 0;
3198
3199 /* Set to standard values
3200 * 0x04 for AT,
3201 * 0x01 for MCA,
3202 * 0x04 for PCMCIA and 2.00 card (AT&T 407-024689/E document)
3203 */
3204 if (psa.psa_comp_number & 1)
3205 psa.psa_thr_pre_set = 0x01;
3206 else
3207 psa.psa_thr_pre_set = 0x04;
3208 psa.psa_quality_thr = 0x03;
3209
3210 /* It is configured */
3211 psa.psa_conf_status |= 1;
3212
3213#ifdef USE_PSA_CONFIG
3214 /* Write the psa */
3215 psa_write(dev, (char *)psa.psa_nwid - (char *)&psa,
3216 (unsigned char *)psa.psa_nwid, 4);
3217 psa_write(dev, (char *)&psa.psa_thr_pre_set - (char *)&psa,
3218 (unsigned char *)&psa.psa_thr_pre_set, 1);
3219 psa_write(dev, (char *)&psa.psa_quality_thr - (char *)&psa,
3220 (unsigned char *)&psa.psa_quality_thr, 1);
3221 psa_write(dev, (char *)&psa.psa_conf_status - (char *)&psa,
3222 (unsigned char *)&psa.psa_conf_status, 1);
3223 /* update the Wavelan checksum */
3224 update_psa_checksum(dev);
3225#endif /* USE_PSA_CONFIG */
3226 }
3227
3228 /* Zero the mmc structure */
3229 memset(&m, 0x00, sizeof(m));
3230
3231 /* Copy PSA info to the mmc */
3232 m.mmw_netw_id_l = psa.psa_nwid[1];
3233 m.mmw_netw_id_h = psa.psa_nwid[0];
3234
3235 if(psa.psa_nwid_select & 1)
3236 m.mmw_loopt_sel = 0x00;
3237 else
3238 m.mmw_loopt_sel = MMW_LOOPT_SEL_DIS_NWID;
3239
3240 memcpy(&m.mmw_encr_key, &psa.psa_encryption_key,
3241 sizeof(m.mmw_encr_key));
3242
3243 if(psa.psa_encryption_select)
3244 m.mmw_encr_enable = MMW_ENCR_ENABLE_EN | MMW_ENCR_ENABLE_MODE;
3245 else
3246 m.mmw_encr_enable = 0;
3247
3248 m.mmw_thr_pre_set = psa.psa_thr_pre_set & 0x3F;
3249 m.mmw_quality_thr = psa.psa_quality_thr & 0x0F;
3250
3251 /*
3252 * Set default modem control parameters.
3253 * See NCR document 407-0024326 Rev. A.
3254 */
3255 m.mmw_jabber_enable = 0x01;
3256 m.mmw_anten_sel = MMW_ANTEN_SEL_ALG_EN;
3257 m.mmw_ifs = 0x20;
3258 m.mmw_mod_delay = 0x04;
3259 m.mmw_jam_time = 0x38;
3260
3261 m.mmw_des_io_invert = 0;
3262 m.mmw_freeze = 0;
3263 m.mmw_decay_prm = 0;
3264 m.mmw_decay_updat_prm = 0;
3265
3266 /* Write all info to mmc */
3267 mmc_write(base, 0, (u_char *)&m, sizeof(m));
3268
3269 /* The following code start the modem of the 2.00 frequency
3270 * selectable cards at power on. It's not strictly needed for the
3271 * following boots...
3272 * The original patch was by Joe Finney for the PCMCIA driver, but
3273 * I've cleaned it a bit and add documentation.
3274 * Thanks to Loeke Brederveld from Lucent for the info.
3275 */
3276
3277 /* Attempt to recognise 2.00 cards (2.4 GHz frequency selectable)
3278 * (does it work for everybody ? - especially old cards...) */
3279 /* Note : WFREQSEL verify that it is able to read from EEprom
3280 * a sensible frequency (address 0x00) + that MMR_FEE_STATUS_ID
3281 * is 0xA (Xilinx version) or 0xB (Ariadne version).
3282 * My test is more crude but do work... */
3283 if(!(mmc_in(base, mmroff(0, mmr_fee_status)) &
3284 (MMR_FEE_STATUS_DWLD | MMR_FEE_STATUS_BUSY)))
3285 {
3286 /* We must download the frequency parameters to the
3287 * synthetisers (from the EEprom - area 1)
3288 * Note : as the EEprom is auto decremented, we set the end
3289 * if the area... */
3290 m.mmw_fee_addr = 0x0F;
3291 m.mmw_fee_ctrl = MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD;
3292 mmc_write(base, (char *)&m.mmw_fee_ctrl - (char *)&m,
3293 (unsigned char *)&m.mmw_fee_ctrl, 2);
3294
3295 /* Wait until the download is finished */
3296 fee_wait(base, 100, 100);
3297
3298#ifdef DEBUG_CONFIG_INFO
3299 /* The frequency was in the last word downloaded... */
3300 mmc_read(base, (char *)&m.mmw_fee_data_l - (char *)&m,
3301 (unsigned char *)&m.mmw_fee_data_l, 2);
3302
3303 /* Print some info for the user */
3304 printk(KERN_DEBUG "%s: Wavelan 2.00 recognised (frequency select) : Current frequency = %ld\n",
3305 dev->name,
3306 ((m.mmw_fee_data_h << 4) |
3307 (m.mmw_fee_data_l >> 4)) * 5 / 2 + 24000L);
3308#endif
3309
3310 /* We must now download the power adjust value (gain) to
3311 * the synthetisers (from the EEprom - area 7 - DAC) */
3312 m.mmw_fee_addr = 0x61;
3313 m.mmw_fee_ctrl = MMW_FEE_CTRL_READ | MMW_FEE_CTRL_DWLD;
3314 mmc_write(base, (char *)&m.mmw_fee_ctrl - (char *)&m,
3315 (unsigned char *)&m.mmw_fee_ctrl, 2);
3316
3317 /* Wait until the download is finished */
3318 } /* if 2.00 card */
3319
3320#ifdef DEBUG_CONFIG_TRACE
3321 printk(KERN_DEBUG "%s: <-wv_mmc_init()\n", dev->name);
3322#endif
3323 return TRUE;
3324}
3325
3326/*------------------------------------------------------------------*/
3327/*
3328 * Routine to gracefully turn off reception, and wait for any commands
3329 * to complete.
3330 * (called in wv_ru_start() and wavelan_close() and wavelan_event())
3331 */
3332static int
3333wv_ru_stop(struct net_device * dev)
3334{
3335 unsigned int base = dev->base_addr;
3336 net_local * lp = netdev_priv(dev);
3337 unsigned long flags;
3338 int status;
3339 int spin;
3340
3341#ifdef DEBUG_CONFIG_TRACE
3342 printk(KERN_DEBUG "%s: ->wv_ru_stop()\n", dev->name);
3343#endif
3344
3345 spin_lock_irqsave(&lp->spinlock, flags);
3346
3347 /* First, send the LAN controller a stop receive command */
3348 wv_82593_cmd(dev, "wv_graceful_shutdown(): stop-rcv",
3349 OP0_STOP_RCV, SR0_NO_RESULT);
3350
3351 /* Then, spin until the receive unit goes idle */
3352 spin = 300;
3353 do
3354 {
3355 udelay(10);
3356 outb(OP0_NOP | CR0_STATUS_3, LCCR(base));
3357 status = inb(LCSR(base));
3358 }
3359 while(((status & SR3_RCV_STATE_MASK) != SR3_RCV_IDLE) && (spin-- > 0));
3360
3361 /* Now, spin until the chip finishes executing its current command */
3362 do
3363 {
3364 udelay(10);
3365 outb(OP0_NOP | CR0_STATUS_3, LCCR(base));
3366 status = inb(LCSR(base));
3367 }
3368 while(((status & SR3_EXEC_STATE_MASK) != SR3_EXEC_IDLE) && (spin-- > 0));
3369
3370 spin_unlock_irqrestore(&lp->spinlock, flags);
3371
3372 /* If there was a problem */
3373 if(spin <= 0)
3374 {
3375#ifdef DEBUG_CONFIG_ERRORS
3376 printk(KERN_INFO "%s: wv_ru_stop(): The chip doesn't want to stop...\n",
3377 dev->name);
3378#endif
3379 return FALSE;
3380 }
3381
3382#ifdef DEBUG_CONFIG_TRACE
3383 printk(KERN_DEBUG "%s: <-wv_ru_stop()\n", dev->name);
3384#endif
3385 return TRUE;
3386} /* wv_ru_stop */
3387
3388/*------------------------------------------------------------------*/
3389/*
3390 * This routine starts the receive unit running. First, it checks if
3391 * the card is actually ready. Then the card is instructed to receive
3392 * packets again.
3393 * (called in wv_hw_reset() & wavelan_open())
3394 */
3395static int
3396wv_ru_start(struct net_device * dev)
3397{
3398 unsigned int base = dev->base_addr;
3399 net_local * lp = netdev_priv(dev);
3400 unsigned long flags;
3401
3402#ifdef DEBUG_CONFIG_TRACE
3403 printk(KERN_DEBUG "%s: ->wv_ru_start()\n", dev->name);
3404#endif
3405
3406 /*
3407 * We need to start from a quiescent state. To do so, we could check
3408 * if the card is already running, but instead we just try to shut
3409 * it down. First, we disable reception (in case it was already enabled).
3410 */
3411 if(!wv_ru_stop(dev))
3412 return FALSE;
3413
3414 spin_lock_irqsave(&lp->spinlock, flags);
3415
3416 /* Now we know that no command is being executed. */
3417
3418 /* Set the receive frame pointer and stop pointer */
3419 lp->rfp = 0;
3420 outb(OP0_SWIT_TO_PORT_1 | CR0_CHNL, LCCR(base));
3421
3422 /* Reset ring management. This sets the receive frame pointer to 1 */
3423 outb(OP1_RESET_RING_MNGMT, LCCR(base));
3424
3425#if 0
3426 /* XXX the i82593 manual page 6-4 seems to indicate that the stop register
3427 should be set as below */
3428 /* outb(CR1_STOP_REG_UPDATE|((RX_SIZE - 0x40)>> RX_SIZE_SHIFT),LCCR(base));*/
3429#elif 0
3430 /* but I set it 0 instead */
3431 lp->stop = 0;
3432#else
3433 /* but I set it to 3 bytes per packet less than 8K */
3434 lp->stop = (0 + RX_SIZE - ((RX_SIZE / 64) * 3)) % RX_SIZE;
3435#endif
3436 outb(CR1_STOP_REG_UPDATE | (lp->stop >> RX_SIZE_SHIFT), LCCR(base));
3437 outb(OP1_INT_ENABLE, LCCR(base));
3438 outb(OP1_SWIT_TO_PORT_0, LCCR(base));
3439
3440 /* Reset receive DMA pointer */
3441 hacr_write_slow(base, HACR_PWR_STAT | HACR_TX_DMA_RESET);
3442 hacr_write_slow(base, HACR_DEFAULT);
3443
3444 /* Receive DMA on channel 1 */
3445 wv_82593_cmd(dev, "wv_ru_start(): rcv-enable",
3446 CR0_CHNL | OP0_RCV_ENABLE, SR0_NO_RESULT);
3447
3448#ifdef DEBUG_I82593_SHOW
3449 {
3450 int status;
3451 int opri;
3452 int spin = 10000;
3453
3454 /* spin until the chip starts receiving */
3455 do
3456 {
3457 outb(OP0_NOP | CR0_STATUS_3, LCCR(base));
3458 status = inb(LCSR(base));
3459 if(spin-- <= 0)
3460 break;
3461 }
3462 while(((status & SR3_RCV_STATE_MASK) != SR3_RCV_ACTIVE) &&
3463 ((status & SR3_RCV_STATE_MASK) != SR3_RCV_READY));
3464 printk(KERN_DEBUG "rcv status is 0x%x [i:%d]\n",
3465 (status & SR3_RCV_STATE_MASK), i);
3466 }
3467#endif
3468
3469 spin_unlock_irqrestore(&lp->spinlock, flags);
3470
3471#ifdef DEBUG_CONFIG_TRACE
3472 printk(KERN_DEBUG "%s: <-wv_ru_start()\n", dev->name);
3473#endif
3474 return TRUE;
3475}
3476
3477/*------------------------------------------------------------------*/
3478/*
3479 * This routine does a standard config of the WaveLAN controller (i82593).
3480 * In the ISA driver, this is integrated in wavelan_hardware_reset()
3481 * (called by wv_hw_config(), wv_82593_reconfig() & wavelan_packet_xmit())
3482 */
3483static int
3484wv_82593_config(struct net_device * dev)
3485{
3486 unsigned int base = dev->base_addr;
3487 net_local * lp = netdev_priv(dev);
3488 struct i82593_conf_block cfblk;
3489 int ret = TRUE;
3490
3491#ifdef DEBUG_CONFIG_TRACE
3492 printk(KERN_DEBUG "%s: ->wv_82593_config()\n", dev->name);
3493#endif
3494
3495 /* Create & fill i82593 config block
3496 *
3497 * Now conform to Wavelan document WCIN085B
3498 */
3499 memset(&cfblk, 0x00, sizeof(struct i82593_conf_block));
3500 cfblk.d6mod = FALSE; /* Run in i82593 advanced mode */
3501 cfblk.fifo_limit = 5; /* = 56 B rx and 40 B tx fifo thresholds */
3502 cfblk.forgnesi = FALSE; /* 0=82C501, 1=AMD7992B compatibility */
3503 cfblk.fifo_32 = 1;
3504 cfblk.throttle_enb = FALSE;
3505 cfblk.contin = TRUE; /* enable continuous mode */
3506 cfblk.cntrxint = FALSE; /* enable continuous mode receive interrupts */
3507 cfblk.addr_len = WAVELAN_ADDR_SIZE;
3508 cfblk.acloc = TRUE; /* Disable source addr insertion by i82593 */
3509 cfblk.preamb_len = 0; /* 2 bytes preamble (SFD) */
3510 cfblk.loopback = FALSE;
3511 cfblk.lin_prio = 0; /* conform to 802.3 backoff algorithm */
3512 cfblk.exp_prio = 5; /* conform to 802.3 backoff algorithm */
3513 cfblk.bof_met = 1; /* conform to 802.3 backoff algorithm */
3514 cfblk.ifrm_spc = 0x20 >> 4; /* 32 bit times interframe spacing */
3515 cfblk.slottim_low = 0x20 >> 5; /* 32 bit times slot time */
3516 cfblk.slottim_hi = 0x0;
3517 cfblk.max_retr = 15;
3518 cfblk.prmisc = ((lp->promiscuous) ? TRUE: FALSE); /* Promiscuous mode */
3519 cfblk.bc_dis = FALSE; /* Enable broadcast reception */
3520 cfblk.crs_1 = TRUE; /* Transmit without carrier sense */
3521 cfblk.nocrc_ins = FALSE; /* i82593 generates CRC */
3522 cfblk.crc_1632 = FALSE; /* 32-bit Autodin-II CRC */
3523 cfblk.crs_cdt = FALSE; /* CD not to be interpreted as CS */
3524 cfblk.cs_filter = 0; /* CS is recognized immediately */
3525 cfblk.crs_src = FALSE; /* External carrier sense */
3526 cfblk.cd_filter = 0; /* CD is recognized immediately */
3527 cfblk.min_fr_len = ETH_ZLEN >> 2; /* Minimum frame length 64 bytes */
3528 cfblk.lng_typ = FALSE; /* Length field > 1500 = type field */
3529 cfblk.lng_fld = TRUE; /* Disable 802.3 length field check */
3530 cfblk.rxcrc_xf = TRUE; /* Don't transfer CRC to memory */
3531 cfblk.artx = TRUE; /* Disable automatic retransmission */
3532 cfblk.sarec = TRUE; /* Disable source addr trig of CD */
3533 cfblk.tx_jabber = TRUE; /* Disable jabber jam sequence */
3534 cfblk.hash_1 = FALSE; /* Use bits 0-5 in mc address hash */
3535 cfblk.lbpkpol = TRUE; /* Loopback pin active high */
3536 cfblk.fdx = FALSE; /* Disable full duplex operation */
3537 cfblk.dummy_6 = 0x3f; /* all ones */
3538 cfblk.mult_ia = FALSE; /* No multiple individual addresses */
3539 cfblk.dis_bof = FALSE; /* Disable the backoff algorithm ?! */
3540 cfblk.dummy_1 = TRUE; /* set to 1 */
3541 cfblk.tx_ifs_retrig = 3; /* Hmm... Disabled */
3542#ifdef MULTICAST_ALL
3543 cfblk.mc_all = (lp->allmulticast ? TRUE: FALSE); /* Allow all multicasts */
3544#else
3545 cfblk.mc_all = FALSE; /* No multicast all mode */
3546#endif
3547 cfblk.rcv_mon = 0; /* Monitor mode disabled */
3548 cfblk.frag_acpt = TRUE; /* Do not accept fragments */
3549 cfblk.tstrttrs = FALSE; /* No start transmission threshold */
3550 cfblk.fretx = TRUE; /* FIFO automatic retransmission */
3551 cfblk.syncrqs = FALSE; /* Synchronous DRQ deassertion... */
3552 cfblk.sttlen = TRUE; /* 6 byte status registers */
3553 cfblk.rx_eop = TRUE; /* Signal EOP on packet reception */
3554 cfblk.tx_eop = TRUE; /* Signal EOP on packet transmission */
3555 cfblk.rbuf_size = RX_SIZE>>11; /* Set receive buffer size */
3556 cfblk.rcvstop = TRUE; /* Enable Receive Stop Register */
3557
3558#ifdef DEBUG_I82593_SHOW
3559 print_hex_dump(KERN_DEBUG, "wavelan_cs: config block: ", DUMP_PREFIX_NONE,
3560 16, 1, &cfblk, sizeof(struct i82593_conf_block), false);
3561#endif
3562
3563 /* Copy the config block to the i82593 */
3564 outb(TX_BASE & 0xff, PIORL(base));
3565 outb(((TX_BASE >> 8) & PIORH_MASK) | PIORH_SEL_TX, PIORH(base));
3566 outb(sizeof(struct i82593_conf_block) & 0xff, PIOP(base)); /* lsb */
3567 outb(sizeof(struct i82593_conf_block) >> 8, PIOP(base)); /* msb */
3568 outsb(PIOP(base), (char *) &cfblk, sizeof(struct i82593_conf_block));
3569
3570 /* reset transmit DMA pointer */
3571 hacr_write_slow(base, HACR_PWR_STAT | HACR_TX_DMA_RESET);
3572 hacr_write(base, HACR_DEFAULT);
3573 if(!wv_82593_cmd(dev, "wv_82593_config(): configure",
3574 OP0_CONFIGURE, SR0_CONFIGURE_DONE))
3575 ret = FALSE;
3576
3577 /* Initialize adapter's ethernet MAC address */
3578 outb(TX_BASE & 0xff, PIORL(base));
3579 outb(((TX_BASE >> 8) & PIORH_MASK) | PIORH_SEL_TX, PIORH(base));
3580 outb(WAVELAN_ADDR_SIZE, PIOP(base)); /* byte count lsb */
3581 outb(0, PIOP(base)); /* byte count msb */
3582 outsb(PIOP(base), &dev->dev_addr[0], WAVELAN_ADDR_SIZE);
3583
3584 /* reset transmit DMA pointer */
3585 hacr_write_slow(base, HACR_PWR_STAT | HACR_TX_DMA_RESET);
3586 hacr_write(base, HACR_DEFAULT);
3587 if(!wv_82593_cmd(dev, "wv_82593_config(): ia-setup",
3588 OP0_IA_SETUP, SR0_IA_SETUP_DONE))
3589 ret = FALSE;
3590
3591#ifdef WAVELAN_ROAMING
3592 /* If roaming is enabled, join the "Beacon Request" multicast group... */
3593 /* But only if it's not in there already! */
3594 if(do_roaming)
3595 dev_mc_add(dev,WAVELAN_BEACON_ADDRESS, WAVELAN_ADDR_SIZE, 1);
3596#endif /* WAVELAN_ROAMING */
3597
3598 /* If any multicast address to set */
3599 if(lp->mc_count)
3600 {
3601 struct dev_mc_list * dmi;
3602 int addrs_len = WAVELAN_ADDR_SIZE * lp->mc_count;
3603
3604#ifdef DEBUG_CONFIG_INFO
3605 printk(KERN_DEBUG "%s: wv_hw_config(): set %d multicast addresses:\n",
3606 dev->name, lp->mc_count);
3607 for(dmi=dev->mc_list; dmi; dmi=dmi->next)
3608 printk(KERN_DEBUG " %pM\n", dmi->dmi_addr);
3609#endif
3610
3611 /* Initialize adapter's ethernet multicast addresses */
3612 outb(TX_BASE & 0xff, PIORL(base));
3613 outb(((TX_BASE >> 8) & PIORH_MASK) | PIORH_SEL_TX, PIORH(base));
3614 outb(addrs_len & 0xff, PIOP(base)); /* byte count lsb */
3615 outb((addrs_len >> 8), PIOP(base)); /* byte count msb */
3616 for(dmi=dev->mc_list; dmi; dmi=dmi->next)
3617 outsb(PIOP(base), dmi->dmi_addr, dmi->dmi_addrlen);
3618
3619 /* reset transmit DMA pointer */
3620 hacr_write_slow(base, HACR_PWR_STAT | HACR_TX_DMA_RESET);
3621 hacr_write(base, HACR_DEFAULT);
3622 if(!wv_82593_cmd(dev, "wv_82593_config(): mc-setup",
3623 OP0_MC_SETUP, SR0_MC_SETUP_DONE))
3624 ret = FALSE;
3625 lp->mc_count = dev->mc_count; /* remember to avoid repeated reset */
3626 }
3627
3628 /* Job done, clear the flag */
3629 lp->reconfig_82593 = FALSE;
3630
3631#ifdef DEBUG_CONFIG_TRACE
3632 printk(KERN_DEBUG "%s: <-wv_82593_config()\n", dev->name);
3633#endif
3634 return(ret);
3635}
3636
3637/*------------------------------------------------------------------*/
3638/*
3639 * Read the Access Configuration Register, perform a software reset,
3640 * and then re-enable the card's software.
3641 *
3642 * If I understand correctly : reset the pcmcia interface of the
3643 * wavelan.
3644 * (called by wv_config())
3645 */
3646static int
3647wv_pcmcia_reset(struct net_device * dev)
3648{
3649 int i;
3650 conf_reg_t reg = { 0, CS_READ, CISREG_COR, 0 };
3651 struct pcmcia_device * link = ((net_local *)netdev_priv(dev))->link;
3652
3653#ifdef DEBUG_CONFIG_TRACE
3654 printk(KERN_DEBUG "%s: ->wv_pcmcia_reset()\n", dev->name);
3655#endif
3656
3657 i = pcmcia_access_configuration_register(link, &reg);
3658 if (i != 0)
3659 {
3660 cs_error(link, AccessConfigurationRegister, i);
3661 return FALSE;
3662 }
3663
3664#ifdef DEBUG_CONFIG_INFO
3665 printk(KERN_DEBUG "%s: wavelan_pcmcia_reset(): Config reg is 0x%x\n",
3666 dev->name, (u_int) reg.Value);
3667#endif
3668
3669 reg.Action = CS_WRITE;
3670 reg.Value = reg.Value | COR_SW_RESET;
3671 i = pcmcia_access_configuration_register(link, &reg);
3672 if (i != 0)
3673 {
3674 cs_error(link, AccessConfigurationRegister, i);
3675 return FALSE;
3676 }
3677
3678 reg.Action = CS_WRITE;
3679 reg.Value = COR_LEVEL_IRQ | COR_CONFIG;
3680 i = pcmcia_access_configuration_register(link, &reg);
3681 if (i != 0)
3682 {
3683 cs_error(link, AccessConfigurationRegister, i);
3684 return FALSE;
3685 }
3686
3687#ifdef DEBUG_CONFIG_TRACE
3688 printk(KERN_DEBUG "%s: <-wv_pcmcia_reset()\n", dev->name);
3689#endif
3690 return TRUE;
3691}
3692
3693/*------------------------------------------------------------------*/
3694/*
3695 * wavelan_hw_config() is called after a CARD_INSERTION event is
3696 * received, to configure the wavelan hardware.
3697 * Note that the reception will be enabled in wavelan->open(), so the
3698 * device is configured but idle...
3699 * Performs the following actions:
3700 * 1. A pcmcia software reset (using wv_pcmcia_reset())
3701 * 2. A power reset (reset DMA)
3702 * 3. Reset the LAN controller
3703 * 4. Initialize the radio modem (using wv_mmc_init)
3704 * 5. Configure LAN controller (using wv_82593_config)
3705 * 6. Perform a diagnostic on the LAN controller
3706 * (called by wavelan_event() & wv_hw_reset())
3707 */
3708static int
3709wv_hw_config(struct net_device * dev)
3710{
3711 net_local * lp = netdev_priv(dev);
3712 unsigned int base = dev->base_addr;
3713 unsigned long flags;
3714 int ret = FALSE;
3715
3716#ifdef DEBUG_CONFIG_TRACE
3717 printk(KERN_DEBUG "%s: ->wv_hw_config()\n", dev->name);
3718#endif
3719
3720 /* compile-time check the sizes of structures */
3721 BUILD_BUG_ON(sizeof(psa_t) != PSA_SIZE);
3722 BUILD_BUG_ON(sizeof(mmw_t) != MMW_SIZE);
3723 BUILD_BUG_ON(sizeof(mmr_t) != MMR_SIZE);
3724
3725 /* Reset the pcmcia interface */
3726 if(wv_pcmcia_reset(dev) == FALSE)
3727 return FALSE;
3728
3729 /* Disable interrupts */
3730 spin_lock_irqsave(&lp->spinlock, flags);
3731
3732 /* Disguised goto ;-) */
3733 do
3734 {
3735 /* Power UP the module + reset the modem + reset host adapter
3736 * (in fact, reset DMA channels) */
3737 hacr_write_slow(base, HACR_RESET);
3738 hacr_write(base, HACR_DEFAULT);
3739
3740 /* Check if the module has been powered up... */
3741 if(hasr_read(base) & HASR_NO_CLK)
3742 {
3743#ifdef DEBUG_CONFIG_ERRORS
3744 printk(KERN_WARNING "%s: wv_hw_config(): modem not connected or not a wavelan card\n",
3745 dev->name);
3746#endif
3747 break;
3748 }
3749
3750 /* initialize the modem */
3751 if(wv_mmc_init(dev) == FALSE)
3752 {
3753#ifdef DEBUG_CONFIG_ERRORS
3754 printk(KERN_WARNING "%s: wv_hw_config(): Can't configure the modem\n",
3755 dev->name);
3756#endif
3757 break;
3758 }
3759
3760 /* reset the LAN controller (i82593) */
3761 outb(OP0_RESET, LCCR(base));
3762 mdelay(1); /* A bit crude ! */
3763
3764 /* Initialize the LAN controller */
3765 if(wv_82593_config(dev) == FALSE)
3766 {
3767#ifdef DEBUG_CONFIG_ERRORS
3768 printk(KERN_INFO "%s: wv_hw_config(): i82593 init failed\n",
3769 dev->name);
3770#endif
3771 break;
3772 }
3773
3774 /* Diagnostic */
3775 if(wv_diag(dev) == FALSE)
3776 {
3777#ifdef DEBUG_CONFIG_ERRORS
3778 printk(KERN_INFO "%s: wv_hw_config(): i82593 diagnostic failed\n",
3779 dev->name);
3780#endif
3781 break;
3782 }
3783
3784 /*
3785 * insert code for loopback test here
3786 */
3787
3788 /* The device is now configured */
3789 lp->configured = 1;
3790 ret = TRUE;
3791 }
3792 while(0);
3793
3794 /* Re-enable interrupts */
3795 spin_unlock_irqrestore(&lp->spinlock, flags);
3796
3797#ifdef DEBUG_CONFIG_TRACE
3798 printk(KERN_DEBUG "%s: <-wv_hw_config()\n", dev->name);
3799#endif
3800 return(ret);
3801}
3802
3803/*------------------------------------------------------------------*/
3804/*
3805 * Totally reset the wavelan and restart it.
3806 * Performs the following actions:
3807 * 1. Call wv_hw_config()
3808 * 2. Start the LAN controller's receive unit
3809 * (called by wavelan_event(), wavelan_watchdog() and wavelan_open())
3810 */
3811static void
3812wv_hw_reset(struct net_device * dev)
3813{
3814 net_local * lp = netdev_priv(dev);
3815
3816#ifdef DEBUG_CONFIG_TRACE
3817 printk(KERN_DEBUG "%s: ->wv_hw_reset()\n", dev->name);
3818#endif
3819
3820 lp->nresets++;
3821 lp->configured = 0;
3822
3823 /* Call wv_hw_config() for most of the reset & init stuff */
3824 if(wv_hw_config(dev) == FALSE)
3825 return;
3826
3827 /* start receive unit */
3828 wv_ru_start(dev);
3829
3830#ifdef DEBUG_CONFIG_TRACE
3831 printk(KERN_DEBUG "%s: <-wv_hw_reset()\n", dev->name);
3832#endif
3833}
3834
3835/*------------------------------------------------------------------*/
3836/*
3837 * wv_pcmcia_config() is called after a CARD_INSERTION event is
3838 * received, to configure the PCMCIA socket, and to make the ethernet
3839 * device available to the system.
3840 * (called by wavelan_event())
3841 */
3842static int
3843wv_pcmcia_config(struct pcmcia_device * link)
3844{
3845 struct net_device * dev = (struct net_device *) link->priv;
3846 int i;
3847 win_req_t req;
3848 memreq_t mem;
3849 net_local * lp = netdev_priv(dev);
3850
3851
3852#ifdef DEBUG_CONFIG_TRACE
3853 printk(KERN_DEBUG "->wv_pcmcia_config(0x%p)\n", link);
3854#endif
3855
3856 do
3857 {
3858 i = pcmcia_request_io(link, &link->io);
3859 if (i != 0)
3860 {
3861 cs_error(link, RequestIO, i);
3862 break;
3863 }
3864
3865 /*
3866 * Now allocate an interrupt line. Note that this does not
3867 * actually assign a handler to the interrupt.
3868 */
3869 i = pcmcia_request_irq(link, &link->irq);
3870 if (i != 0)
3871 {
3872 cs_error(link, RequestIRQ, i);
3873 break;
3874 }
3875
3876 /*
3877 * This actually configures the PCMCIA socket -- setting up
3878 * the I/O windows and the interrupt mapping.
3879 */
3880 link->conf.ConfigIndex = 1;
3881 i = pcmcia_request_configuration(link, &link->conf);
3882 if (i != 0)
3883 {
3884 cs_error(link, RequestConfiguration, i);
3885 break;
3886 }
3887
3888 /*
3889 * Allocate a small memory window. Note that the struct pcmcia_device
3890 * structure provides space for one window handle -- if your
3891 * device needs several windows, you'll need to keep track of
3892 * the handles in your private data structure, link->priv.
3893 */
3894 req.Attributes = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE;
3895 req.Base = req.Size = 0;
3896 req.AccessSpeed = mem_speed;
3897 i = pcmcia_request_window(&link, &req, &link->win);
3898 if (i != 0)
3899 {
3900 cs_error(link, RequestWindow, i);
3901 break;
3902 }
3903
3904 lp->mem = ioremap(req.Base, req.Size);
3905 dev->mem_start = (u_long)lp->mem;
3906 dev->mem_end = dev->mem_start + req.Size;
3907
3908 mem.CardOffset = 0; mem.Page = 0;
3909 i = pcmcia_map_mem_page(link->win, &mem);
3910 if (i != 0)
3911 {
3912 cs_error(link, MapMemPage, i);
3913 break;
3914 }
3915
3916 /* Feed device with this info... */
3917 dev->irq = link->irq.AssignedIRQ;
3918 dev->base_addr = link->io.BasePort1;
3919 netif_start_queue(dev);
3920
3921#ifdef DEBUG_CONFIG_INFO
3922 printk(KERN_DEBUG "wv_pcmcia_config: MEMSTART %p IRQ %d IOPORT 0x%x\n",
3923 lp->mem, dev->irq, (u_int) dev->base_addr);
3924#endif
3925
3926 SET_NETDEV_DEV(dev, &handle_to_dev(link));
3927 i = register_netdev(dev);
3928 if(i != 0)
3929 {
3930#ifdef DEBUG_CONFIG_ERRORS
3931 printk(KERN_INFO "wv_pcmcia_config(): register_netdev() failed\n");
3932#endif
3933 break;
3934 }
3935 }
3936 while(0); /* Humm... Disguised goto !!! */
3937
3938 /* If any step failed, release any partially configured state */
3939 if(i != 0)
3940 {
3941 wv_pcmcia_release(link);
3942 return FALSE;
3943 }
3944
3945 strcpy(((net_local *) netdev_priv(dev))->node.dev_name, dev->name);
3946 link->dev_node = &((net_local *) netdev_priv(dev))->node;
3947
3948#ifdef DEBUG_CONFIG_TRACE
3949 printk(KERN_DEBUG "<-wv_pcmcia_config()\n");
3950#endif
3951 return TRUE;
3952}
3953
3954/*------------------------------------------------------------------*/
3955/*
3956 * After a card is removed, wv_pcmcia_release() will unregister the net
3957 * device, and release the PCMCIA configuration. If the device is
3958 * still open, this will be postponed until it is closed.
3959 */
3960static void
3961wv_pcmcia_release(struct pcmcia_device *link)
3962{
3963 struct net_device * dev = (struct net_device *) link->priv;
3964 net_local * lp = netdev_priv(dev);
3965
3966#ifdef DEBUG_CONFIG_TRACE
3967 printk(KERN_DEBUG "%s: -> wv_pcmcia_release(0x%p)\n", dev->name, link);
3968#endif
3969
3970 iounmap(lp->mem);
3971 pcmcia_disable_device(link);
3972
3973#ifdef DEBUG_CONFIG_TRACE
3974 printk(KERN_DEBUG "%s: <- wv_pcmcia_release()\n", dev->name);
3975#endif
3976}
3977
3978/************************ INTERRUPT HANDLING ************************/
3979
3980/*
3981 * This function is the interrupt handler for the WaveLAN card. This
3982 * routine will be called whenever:
3983 * 1. A packet is received.
3984 * 2. A packet has successfully been transferred and the unit is
3985 * ready to transmit another packet.
3986 * 3. A command has completed execution.
3987 */
3988static irqreturn_t
3989wavelan_interrupt(int irq,
3990 void * dev_id)
3991{
3992 struct net_device * dev = dev_id;
3993 net_local * lp;
3994 unsigned int base;
3995 int status0;
3996 u_int tx_status;
3997
3998#ifdef DEBUG_INTERRUPT_TRACE
3999 printk(KERN_DEBUG "%s: ->wavelan_interrupt()\n", dev->name);
4000#endif
4001
4002 lp = netdev_priv(dev);
4003 base = dev->base_addr;
4004
4005#ifdef DEBUG_INTERRUPT_INFO
4006 /* Check state of our spinlock (it should be cleared) */
4007 if(spin_is_locked(&lp->spinlock))
4008 printk(KERN_DEBUG
4009 "%s: wavelan_interrupt(): spinlock is already locked !!!\n",
4010 dev->name);
4011#endif
4012
4013 /* Prevent reentrancy. We need to do that because we may have
4014 * multiple interrupt handler running concurently.
4015 * It is safe because interrupts are disabled before aquiring
4016 * the spinlock. */
4017 spin_lock(&lp->spinlock);
4018
4019 /* Treat all pending interrupts */
4020 while(1)
4021 {
4022 /* ---------------- INTERRUPT CHECKING ---------------- */
4023 /*
4024 * Look for the interrupt and verify the validity
4025 */
4026 outb(CR0_STATUS_0 | OP0_NOP, LCCR(base));
4027 status0 = inb(LCSR(base));
4028
4029#ifdef DEBUG_INTERRUPT_INFO
4030 printk(KERN_DEBUG "status0 0x%x [%s => 0x%x]", status0,
4031 (status0&SR0_INTERRUPT)?"int":"no int",status0&~SR0_INTERRUPT);
4032 if(status0&SR0_INTERRUPT)
4033 {
4034 printk(" [%s => %d]\n", (status0 & SR0_CHNL) ? "chnl" :
4035 ((status0 & SR0_EXECUTION) ? "cmd" :
4036 ((status0 & SR0_RECEPTION) ? "recv" : "unknown")),
4037 (status0 & SR0_EVENT_MASK));
4038 }
4039 else
4040 printk("\n");
4041#endif
4042
4043 /* Return if no actual interrupt from i82593 (normal exit) */
4044 if(!(status0 & SR0_INTERRUPT))
4045 break;
4046
4047 /* If interrupt is both Rx and Tx or none...
4048 * This code in fact is there to catch the spurious interrupt
4049 * when you remove the wavelan pcmcia card from the socket */
4050 if(((status0 & SR0_BOTH_RX_TX) == SR0_BOTH_RX_TX) ||
4051 ((status0 & SR0_BOTH_RX_TX) == 0x0))
4052 {
4053#ifdef DEBUG_INTERRUPT_INFO
4054 printk(KERN_INFO "%s: wv_interrupt(): bogus interrupt (or from dead card) : %X\n",
4055 dev->name, status0);
4056#endif
4057 /* Acknowledge the interrupt */
4058 outb(CR0_INT_ACK | OP0_NOP, LCCR(base));
4059 break;
4060 }
4061
4062 /* ----------------- RECEIVING PACKET ----------------- */
4063 /*
4064 * When the wavelan signal the reception of a new packet,
4065 * we call wv_packet_rcv() to copy if from the buffer and
4066 * send it to NET3
4067 */
4068 if(status0 & SR0_RECEPTION)
4069 {
4070#ifdef DEBUG_INTERRUPT_INFO
4071 printk(KERN_DEBUG "%s: wv_interrupt(): receive\n", dev->name);
4072#endif
4073
4074 if((status0 & SR0_EVENT_MASK) == SR0_STOP_REG_HIT)
4075 {
4076#ifdef DEBUG_INTERRUPT_ERROR
4077 printk(KERN_INFO "%s: wv_interrupt(): receive buffer overflow\n",
4078 dev->name);
4079#endif
4080 dev->stats.rx_over_errors++;
4081 lp->overrunning = 1;
4082 }
4083
4084 /* Get the packet */
4085 wv_packet_rcv(dev);
4086 lp->overrunning = 0;
4087
4088 /* Acknowledge the interrupt */
4089 outb(CR0_INT_ACK | OP0_NOP, LCCR(base));
4090 continue;
4091 }
4092
4093 /* ---------------- COMMAND COMPLETION ---------------- */
4094 /*
4095 * Interrupts issued when the i82593 has completed a command.
4096 * Most likely : transmission done
4097 */
4098
4099 /* If a transmission has been done */
4100 if((status0 & SR0_EVENT_MASK) == SR0_TRANSMIT_DONE ||
4101 (status0 & SR0_EVENT_MASK) == SR0_RETRANSMIT_DONE ||
4102 (status0 & SR0_EVENT_MASK) == SR0_TRANSMIT_NO_CRC_DONE)
4103 {
4104#ifdef DEBUG_TX_ERROR
4105 if((status0 & SR0_EVENT_MASK) == SR0_TRANSMIT_NO_CRC_DONE)
4106 printk(KERN_INFO "%s: wv_interrupt(): packet transmitted without CRC.\n",
4107 dev->name);
4108#endif
4109
4110 /* Get transmission status */
4111 tx_status = inb(LCSR(base));
4112 tx_status |= (inb(LCSR(base)) << 8);
4113#ifdef DEBUG_INTERRUPT_INFO
4114 printk(KERN_DEBUG "%s: wv_interrupt(): transmission done\n",
4115 dev->name);
4116 {
4117 u_int rcv_bytes;
4118 u_char status3;
4119 rcv_bytes = inb(LCSR(base));
4120 rcv_bytes |= (inb(LCSR(base)) << 8);
4121 status3 = inb(LCSR(base));
4122 printk(KERN_DEBUG "tx_status 0x%02x rcv_bytes 0x%02x status3 0x%x\n",
4123 tx_status, rcv_bytes, (u_int) status3);
4124 }
4125#endif
4126 /* Check for possible errors */
4127 if((tx_status & TX_OK) != TX_OK)
4128 {
4129 dev->stats.tx_errors++;
4130
4131 if(tx_status & TX_FRTL)
4132 {
4133#ifdef DEBUG_TX_ERROR
4134 printk(KERN_INFO "%s: wv_interrupt(): frame too long\n",
4135 dev->name);
4136#endif
4137 }
4138 if(tx_status & TX_UND_RUN)
4139 {
4140#ifdef DEBUG_TX_FAIL
4141 printk(KERN_DEBUG "%s: wv_interrupt(): DMA underrun\n",
4142 dev->name);
4143#endif
4144 dev->stats.tx_aborted_errors++;
4145 }
4146 if(tx_status & TX_LOST_CTS)
4147 {
4148#ifdef DEBUG_TX_FAIL
4149 printk(KERN_DEBUG "%s: wv_interrupt(): no CTS\n", dev->name);
4150#endif
4151 dev->stats.tx_carrier_errors++;
4152 }
4153 if(tx_status & TX_LOST_CRS)
4154 {
4155#ifdef DEBUG_TX_FAIL
4156 printk(KERN_DEBUG "%s: wv_interrupt(): no carrier\n",
4157 dev->name);
4158#endif
4159 dev->stats.tx_carrier_errors++;
4160 }
4161 if(tx_status & TX_HRT_BEAT)
4162 {
4163#ifdef DEBUG_TX_FAIL
4164 printk(KERN_DEBUG "%s: wv_interrupt(): heart beat\n", dev->name);
4165#endif
4166 dev->stats.tx_heartbeat_errors++;
4167 }
4168 if(tx_status & TX_DEFER)
4169 {
4170#ifdef DEBUG_TX_FAIL
4171 printk(KERN_DEBUG "%s: wv_interrupt(): channel jammed\n",
4172 dev->name);
4173#endif
4174 }
4175 /* Ignore late collisions since they're more likely to happen
4176 * here (the WaveLAN design prevents the LAN controller from
4177 * receiving while it is transmitting). We take action only when
4178 * the maximum retransmit attempts is exceeded.
4179 */
4180 if(tx_status & TX_COLL)
4181 {
4182 if(tx_status & TX_MAX_COL)
4183 {
4184#ifdef DEBUG_TX_FAIL
4185 printk(KERN_DEBUG "%s: wv_interrupt(): channel congestion\n",
4186 dev->name);
4187#endif
4188 if(!(tx_status & TX_NCOL_MASK))
4189 {
4190 dev->stats.collisions += 0x10;
4191 }
4192 }
4193 }
4194 } /* if(!(tx_status & TX_OK)) */
4195
4196 dev->stats.collisions += (tx_status & TX_NCOL_MASK);
4197 dev->stats.tx_packets++;
4198
4199 netif_wake_queue(dev);
4200 outb(CR0_INT_ACK | OP0_NOP, LCCR(base)); /* Acknowledge the interrupt */
4201 }
4202 else /* if interrupt = transmit done or retransmit done */
4203 {
4204#ifdef DEBUG_INTERRUPT_ERROR
4205 printk(KERN_INFO "wavelan_cs: unknown interrupt, status0 = %02x\n",
4206 status0);
4207#endif
4208 outb(CR0_INT_ACK | OP0_NOP, LCCR(base)); /* Acknowledge the interrupt */
4209 }
4210 } /* while(1) */
4211
4212 spin_unlock(&lp->spinlock);
4213
4214#ifdef DEBUG_INTERRUPT_TRACE
4215 printk(KERN_DEBUG "%s: <-wavelan_interrupt()\n", dev->name);
4216#endif
4217
4218 /* We always return IRQ_HANDLED, because we will receive empty
4219 * interrupts under normal operations. Anyway, it doesn't matter
4220 * as we are dealing with an ISA interrupt that can't be shared.
4221 *
4222 * Explanation : under heavy receive, the following happens :
4223 * ->wavelan_interrupt()
4224 * (status0 & SR0_INTERRUPT) != 0
4225 * ->wv_packet_rcv()
4226 * (status0 & SR0_INTERRUPT) != 0
4227 * ->wv_packet_rcv()
4228 * (status0 & SR0_INTERRUPT) == 0 // i.e. no more event
4229 * <-wavelan_interrupt()
4230 * ->wavelan_interrupt()
4231 * (status0 & SR0_INTERRUPT) == 0 // i.e. empty interrupt
4232 * <-wavelan_interrupt()
4233 * Jean II */
4234 return IRQ_HANDLED;
4235} /* wv_interrupt */
4236
4237/*------------------------------------------------------------------*/
4238/*
4239 * Watchdog: when we start a transmission, a timer is set for us in the
4240 * kernel. If the transmission completes, this timer is disabled. If
4241 * the timer expires, we are called and we try to unlock the hardware.
4242 *
4243 * Note : This watchdog is move clever than the one in the ISA driver,
4244 * because it try to abort the current command before reseting
4245 * everything...
4246 * On the other hand, it's a bit simpler, because we don't have to
4247 * deal with the multiple Tx buffers...
4248 */
4249static void
4250wavelan_watchdog(struct net_device * dev)
4251{
4252 net_local * lp = netdev_priv(dev);
4253 unsigned int base = dev->base_addr;
4254 unsigned long flags;
4255 int aborted = FALSE;
4256
4257#ifdef DEBUG_INTERRUPT_TRACE
4258 printk(KERN_DEBUG "%s: ->wavelan_watchdog()\n", dev->name);
4259#endif
4260
4261#ifdef DEBUG_INTERRUPT_ERROR
4262 printk(KERN_INFO "%s: wavelan_watchdog: watchdog timer expired\n",
4263 dev->name);
4264#endif
4265
4266 spin_lock_irqsave(&lp->spinlock, flags);
4267
4268 /* Ask to abort the current command */
4269 outb(OP0_ABORT, LCCR(base));
4270
4271 /* Wait for the end of the command (a bit hackish) */
4272 if(wv_82593_cmd(dev, "wavelan_watchdog(): abort",
4273 OP0_NOP | CR0_STATUS_3, SR0_EXECUTION_ABORTED))
4274 aborted = TRUE;
4275
4276 /* Release spinlock here so that wv_hw_reset() can grab it */
4277 spin_unlock_irqrestore(&lp->spinlock, flags);
4278
4279 /* Check if we were successful in aborting it */
4280 if(!aborted)
4281 {
4282 /* It seem that it wasn't enough */
4283#ifdef DEBUG_INTERRUPT_ERROR
4284 printk(KERN_INFO "%s: wavelan_watchdog: abort failed, trying reset\n",
4285 dev->name);
4286#endif
4287 wv_hw_reset(dev);
4288 }
4289
4290#ifdef DEBUG_PSA_SHOW
4291 {
4292 psa_t psa;
4293 psa_read(dev, 0, (unsigned char *) &psa, sizeof(psa));
4294 wv_psa_show(&psa);
4295 }
4296#endif
4297#ifdef DEBUG_MMC_SHOW
4298 wv_mmc_show(dev);
4299#endif
4300#ifdef DEBUG_I82593_SHOW
4301 wv_ru_show(dev);
4302#endif
4303
4304 /* We are no more waiting for something... */
4305 netif_wake_queue(dev);
4306
4307#ifdef DEBUG_INTERRUPT_TRACE
4308 printk(KERN_DEBUG "%s: <-wavelan_watchdog()\n", dev->name);
4309#endif
4310}
4311
4312/********************* CONFIGURATION CALLBACKS *********************/
4313/*
4314 * Here are the functions called by the pcmcia package (cardmgr) and
4315 * linux networking (NET3) for initialization, configuration and
4316 * deinstallations of the Wavelan Pcmcia Hardware.
4317 */
4318
4319/*------------------------------------------------------------------*/
4320/*
4321 * Configure and start up the WaveLAN PCMCIA adaptor.
4322 * Called by NET3 when it "open" the device.
4323 */
4324static int
4325wavelan_open(struct net_device * dev)
4326{
4327 net_local * lp = netdev_priv(dev);
4328 struct pcmcia_device * link = lp->link;
4329 unsigned int base = dev->base_addr;
4330
4331#ifdef DEBUG_CALLBACK_TRACE
4332 printk(KERN_DEBUG "%s: ->wavelan_open(dev=0x%x)\n", dev->name,
4333 (unsigned int) dev);
4334#endif
4335
4336 /* Check if the modem is powered up (wavelan_close() power it down */
4337 if(hasr_read(base) & HASR_NO_CLK)
4338 {
4339 /* Power up (power up time is 250us) */
4340 hacr_write(base, HACR_DEFAULT);
4341
4342 /* Check if the module has been powered up... */
4343 if(hasr_read(base) & HASR_NO_CLK)
4344 {
4345#ifdef DEBUG_CONFIG_ERRORS
4346 printk(KERN_WARNING "%s: wavelan_open(): modem not connected\n",
4347 dev->name);
4348#endif
4349 return FALSE;
4350 }
4351 }
4352
4353 /* Start reception and declare the driver ready */
4354 if(!lp->configured)
4355 return FALSE;
4356 if(!wv_ru_start(dev))
4357 wv_hw_reset(dev); /* If problem : reset */
4358 netif_start_queue(dev);
4359
4360 /* Mark the device as used */
4361 link->open++;
4362
4363#ifdef WAVELAN_ROAMING
4364 if(do_roaming)
4365 wv_roam_init(dev);
4366#endif /* WAVELAN_ROAMING */
4367
4368#ifdef DEBUG_CALLBACK_TRACE
4369 printk(KERN_DEBUG "%s: <-wavelan_open()\n", dev->name);
4370#endif
4371 return 0;
4372}
4373
4374/*------------------------------------------------------------------*/
4375/*
4376 * Shutdown the WaveLAN PCMCIA adaptor.
4377 * Called by NET3 when it "close" the device.
4378 */
4379static int
4380wavelan_close(struct net_device * dev)
4381{
4382 struct pcmcia_device * link = ((net_local *)netdev_priv(dev))->link;
4383 unsigned int base = dev->base_addr;
4384
4385#ifdef DEBUG_CALLBACK_TRACE
4386 printk(KERN_DEBUG "%s: ->wavelan_close(dev=0x%x)\n", dev->name,
4387 (unsigned int) dev);
4388#endif
4389
4390 /* If the device isn't open, then nothing to do */
4391 if(!link->open)
4392 {
4393#ifdef DEBUG_CONFIG_INFO
4394 printk(KERN_DEBUG "%s: wavelan_close(): device not open\n", dev->name);
4395#endif
4396 return 0;
4397 }
4398
4399#ifdef WAVELAN_ROAMING
4400 /* Cleanup of roaming stuff... */
4401 if(do_roaming)
4402 wv_roam_cleanup(dev);
4403#endif /* WAVELAN_ROAMING */
4404
4405 link->open--;
4406
4407 /* If the card is still present */
4408 if(netif_running(dev))
4409 {
4410 netif_stop_queue(dev);
4411
4412 /* Stop receiving new messages and wait end of transmission */
4413 wv_ru_stop(dev);
4414
4415 /* Power down the module */
4416 hacr_write(base, HACR_DEFAULT & (~HACR_PWR_STAT));
4417 }
4418
4419#ifdef DEBUG_CALLBACK_TRACE
4420 printk(KERN_DEBUG "%s: <-wavelan_close()\n", dev->name);
4421#endif
4422 return 0;
4423}
4424
4425static const struct net_device_ops wavelan_netdev_ops = {
4426 .ndo_open = wavelan_open,
4427 .ndo_stop = wavelan_close,
4428 .ndo_start_xmit = wavelan_packet_xmit,
4429 .ndo_set_multicast_list = wavelan_set_multicast_list,
4430#ifdef SET_MAC_ADDRESS
4431 .ndo_set_mac_address = wavelan_set_mac_address,
4432#endif
4433 .ndo_tx_timeout = wavelan_watchdog,
4434 .ndo_change_mtu = eth_change_mtu,
4435 .ndo_validate_addr = eth_validate_addr,
4436};
4437
4438/*------------------------------------------------------------------*/
4439/*
4440 * wavelan_attach() creates an "instance" of the driver, allocating
4441 * local data structures for one device (one interface). The device
4442 * is registered with Card Services.
4443 *
4444 * The dev_link structure is initialized, but we don't actually
4445 * configure the card at this point -- we wait until we receive a
4446 * card insertion event.
4447 */
4448static int
4449wavelan_probe(struct pcmcia_device *p_dev)
4450{
4451 struct net_device * dev; /* Interface generic data */
4452 net_local * lp; /* Interface specific data */
4453 int ret;
4454
4455#ifdef DEBUG_CALLBACK_TRACE
4456 printk(KERN_DEBUG "-> wavelan_attach()\n");
4457#endif
4458
4459 /* The io structure describes IO port mapping */
4460 p_dev->io.NumPorts1 = 8;
4461 p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
4462 p_dev->io.IOAddrLines = 3;
4463
4464 /* Interrupt setup */
4465 p_dev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING | IRQ_HANDLE_PRESENT;
4466 p_dev->irq.IRQInfo1 = IRQ_LEVEL_ID;
4467 p_dev->irq.Handler = wavelan_interrupt;
4468
4469 /* General socket configuration */
4470 p_dev->conf.Attributes = CONF_ENABLE_IRQ;
4471 p_dev->conf.IntType = INT_MEMORY_AND_IO;
4472
4473 /* Allocate the generic data structure */
4474 dev = alloc_etherdev(sizeof(net_local));
4475 if (!dev)
4476 return -ENOMEM;
4477
4478 p_dev->priv = p_dev->irq.Instance = dev;
4479
4480 lp = netdev_priv(dev);
4481
4482 /* Init specific data */
4483 lp->configured = 0;
4484 lp->reconfig_82593 = FALSE;
4485 lp->nresets = 0;
4486 /* Multicast stuff */
4487 lp->promiscuous = 0;
4488 lp->allmulticast = 0;
4489 lp->mc_count = 0;
4490
4491 /* Init spinlock */
4492 spin_lock_init(&lp->spinlock);
4493
4494 /* back links */
4495 lp->dev = dev;
4496
4497 /* wavelan NET3 callbacks */
4498 dev->netdev_ops = &wavelan_netdev_ops;
4499 dev->watchdog_timeo = WATCHDOG_JIFFIES;
4500 SET_ETHTOOL_OPS(dev, &ops);
4501
4502 dev->wireless_handlers = &wavelan_handler_def;
4503 lp->wireless_data.spy_data = &lp->spy_data;
4504 dev->wireless_data = &lp->wireless_data;
4505
4506 /* Other specific data */
4507 dev->mtu = WAVELAN_MTU;
4508
4509 ret = wv_pcmcia_config(p_dev);
4510 if (ret)
4511 return ret;
4512
4513 ret = wv_hw_config(dev);
4514 if (ret) {
4515 dev->irq = 0;
4516 pcmcia_disable_device(p_dev);
4517 return ret;
4518 }
4519
4520 wv_init_info(dev);
4521
4522#ifdef DEBUG_CALLBACK_TRACE
4523 printk(KERN_DEBUG "<- wavelan_attach()\n");
4524#endif
4525
4526 return 0;
4527}
4528
4529/*------------------------------------------------------------------*/
4530/*
4531 * This deletes a driver "instance". The device is de-registered with
4532 * Card Services. If it has been released, all local data structures
4533 * are freed. Otherwise, the structures will be freed when the device
4534 * is released.
4535 */
4536static void
4537wavelan_detach(struct pcmcia_device *link)
4538{
4539#ifdef DEBUG_CALLBACK_TRACE
4540 printk(KERN_DEBUG "-> wavelan_detach(0x%p)\n", link);
4541#endif
4542
4543 /* Some others haven't done their job : give them another chance */
4544 wv_pcmcia_release(link);
4545
4546 /* Free pieces */
4547 if(link->priv)
4548 {
4549 struct net_device * dev = (struct net_device *) link->priv;
4550
4551 /* Remove ourselves from the kernel list of ethernet devices */
4552 /* Warning : can't be called from interrupt, timer or wavelan_close() */
4553 if (link->dev_node)
4554 unregister_netdev(dev);
4555 link->dev_node = NULL;
4556 ((net_local *)netdev_priv(dev))->link = NULL;
4557 ((net_local *)netdev_priv(dev))->dev = NULL;
4558 free_netdev(dev);
4559 }
4560
4561#ifdef DEBUG_CALLBACK_TRACE
4562 printk(KERN_DEBUG "<- wavelan_detach()\n");
4563#endif
4564}
4565
4566static int wavelan_suspend(struct pcmcia_device *link)
4567{
4568 struct net_device * dev = (struct net_device *) link->priv;
4569
4570 /* NB: wavelan_close will be called, but too late, so we are
4571 * obliged to close nicely the wavelan here. David, could you
4572 * close the device before suspending them ? And, by the way,
4573 * could you, on resume, add a "route add -net ..." after the
4574 * ifconfig up ? Thanks... */
4575
4576 /* Stop receiving new messages and wait end of transmission */
4577 wv_ru_stop(dev);
4578
4579 if (link->open)
4580 netif_device_detach(dev);
4581
4582 /* Power down the module */
4583 hacr_write(dev->base_addr, HACR_DEFAULT & (~HACR_PWR_STAT));
4584
4585 return 0;
4586}
4587
4588static int wavelan_resume(struct pcmcia_device *link)
4589{
4590 struct net_device * dev = (struct net_device *) link->priv;
4591
4592 if (link->open) {
4593 wv_hw_reset(dev);
4594 netif_device_attach(dev);
4595 }
4596
4597 return 0;
4598}
4599
4600
4601static struct pcmcia_device_id wavelan_ids[] = {
4602 PCMCIA_DEVICE_PROD_ID12("AT&T","WaveLAN/PCMCIA", 0xe7c5affd, 0x1bc50975),
4603 PCMCIA_DEVICE_PROD_ID12("Digital", "RoamAbout/DS", 0x9999ab35, 0x00d05e06),
4604 PCMCIA_DEVICE_PROD_ID12("Lucent Technologies", "WaveLAN/PCMCIA", 0x23eb9949, 0x1bc50975),
4605 PCMCIA_DEVICE_PROD_ID12("NCR", "WaveLAN/PCMCIA", 0x24358cd4, 0x1bc50975),
4606 PCMCIA_DEVICE_NULL,
4607};
4608MODULE_DEVICE_TABLE(pcmcia, wavelan_ids);
4609
4610static struct pcmcia_driver wavelan_driver = {
4611 .owner = THIS_MODULE,
4612 .drv = {
4613 .name = "wavelan_cs",
4614 },
4615 .probe = wavelan_probe,
4616 .remove = wavelan_detach,
4617 .id_table = wavelan_ids,
4618 .suspend = wavelan_suspend,
4619 .resume = wavelan_resume,
4620};
4621
4622static int __init
4623init_wavelan_cs(void)
4624{
4625 return pcmcia_register_driver(&wavelan_driver);
4626}
4627
4628static void __exit
4629exit_wavelan_cs(void)
4630{
4631 pcmcia_unregister_driver(&wavelan_driver);
4632}
4633
4634module_init(init_wavelan_cs);
4635module_exit(exit_wavelan_cs);
diff --git a/drivers/net/wireless/wavelan_cs.h b/drivers/net/wireless/wavelan_cs.h
deleted file mode 100644
index 2e4bfe4147c6..000000000000
--- a/drivers/net/wireless/wavelan_cs.h
+++ /dev/null
@@ -1,386 +0,0 @@
1/*
2 * Wavelan Pcmcia driver
3 *
4 * Jean II - HPLB '96
5 *
6 * Reorganization and extension of the driver.
7 * Original copyright follow. See wavelan_cs.h for details.
8 *
9 * This file contain the declarations of the Wavelan hardware. Note that
10 * the Pcmcia Wavelan include a i82593 controller (see definitions in
11 * file i82593.h).
12 *
13 * The main difference between the pcmcia hardware and the ISA one is
14 * the Ethernet Controller (i82593 instead of i82586). The i82593 allow
15 * only one send buffer. The PSA (Parameter Storage Area : EEprom for
16 * permanent storage of various info) is memory mapped, but not the
17 * MMI (Modem Management Interface).
18 */
19
20/*
21 * Definitions for the AT&T GIS (formerly NCR) WaveLAN PCMCIA card:
22 * An Ethernet-like radio transceiver controlled by an Intel 82593
23 * coprocessor.
24 *
25 *
26 ****************************************************************************
27 * Copyright 1995
28 * Anthony D. Joseph
29 * Massachusetts Institute of Technology
30 *
31 * Permission to use, copy, modify, and distribute this program
32 * for any purpose and without fee is hereby granted, provided
33 * that this copyright and permission notice appear on all copies
34 * and supporting documentation, the name of M.I.T. not be used
35 * in advertising or publicity pertaining to distribution of the
36 * program without specific prior permission, and notice be given
37 * in supporting documentation that copying and distribution is
38 * by permission of M.I.T. M.I.T. makes no representations about
39 * the suitability of this software for any purpose. It is pro-
40 * vided "as is" without express or implied warranty.
41 ****************************************************************************
42 *
43 *
44 * Credits:
45 * Special thanks to Jan Hoogendoorn of AT&T GIS Utrecht for
46 * providing extremely useful information about WaveLAN PCMCIA hardware
47 *
48 * This driver is based upon several other drivers, in particular:
49 * David Hinds' Linux driver for the PCMCIA 3c589 ethernet adapter
50 * Bruce Janson's Linux driver for the AT-bus WaveLAN adapter
51 * Anders Klemets' PCMCIA WaveLAN adapter driver
52 * Robert Morris' BSDI driver for the PCMCIA WaveLAN adapter
53 */
54
55#ifndef _WAVELAN_CS_H
56#define _WAVELAN_CS_H
57
58/************************** MAGIC NUMBERS ***************************/
59
60/* The detection of the wavelan card is made by reading the MAC address
61 * from the card and checking it. If you have a non AT&T product (OEM,
62 * like DEC RoamAbout, or Digital Ocean, Epson, ...), you must modify this
63 * part to accommodate your hardware...
64 */
65static const unsigned char MAC_ADDRESSES[][3] =
66{
67 { 0x08, 0x00, 0x0E }, /* AT&T Wavelan (standard) & DEC RoamAbout */
68 { 0x08, 0x00, 0x6A }, /* AT&T Wavelan (alternate) */
69 { 0x00, 0x00, 0xE1 }, /* Hitachi Wavelan */
70 { 0x00, 0x60, 0x1D } /* Lucent Wavelan (another one) */
71 /* Add your card here and send me the patch ! */
72};
73
74/*
75 * Constants used to convert channels to frequencies
76 */
77
78/* Frequency available in the 2.0 modem, in units of 250 kHz
79 * (as read in the offset register of the dac area).
80 * Used to map channel numbers used by `wfreqsel' to frequencies
81 */
82static const short channel_bands[] = { 0x30, 0x58, 0x64, 0x7A, 0x80, 0xA8,
83 0xD0, 0xF0, 0xF8, 0x150 };
84
85/* Frequencies of the 1.0 modem (fixed frequencies).
86 * Use to map the PSA `subband' to a frequency
87 * Note : all frequencies apart from the first one need to be multiplied by 10
88 */
89static const int fixed_bands[] = { 915e6, 2.425e8, 2.46e8, 2.484e8, 2.4305e8 };
90
91
92/*************************** PC INTERFACE ****************************/
93
94/* WaveLAN host interface definitions */
95
96#define LCCR(base) (base) /* LAN Controller Command Register */
97#define LCSR(base) (base) /* LAN Controller Status Register */
98#define HACR(base) (base+0x1) /* Host Adapter Command Register */
99#define HASR(base) (base+0x1) /* Host Adapter Status Register */
100#define PIORL(base) (base+0x2) /* Program I/O Register Low */
101#define RPLL(base) (base+0x2) /* Receive Pointer Latched Low */
102#define PIORH(base) (base+0x3) /* Program I/O Register High */
103#define RPLH(base) (base+0x3) /* Receive Pointer Latched High */
104#define PIOP(base) (base+0x4) /* Program I/O Port */
105#define MMR(base) (base+0x6) /* MMI Address Register */
106#define MMD(base) (base+0x7) /* MMI Data Register */
107
108/* Host Adaptor Command Register bit definitions */
109
110#define HACR_LOF (1 << 3) /* Lock Out Flag, toggle every 250ms */
111#define HACR_PWR_STAT (1 << 4) /* Power State, 1=active, 0=sleep */
112#define HACR_TX_DMA_RESET (1 << 5) /* Reset transmit DMA ptr on high */
113#define HACR_RX_DMA_RESET (1 << 6) /* Reset receive DMA ptr on high */
114#define HACR_ROM_WEN (1 << 7) /* EEPROM write enabled when true */
115
116#define HACR_RESET (HACR_TX_DMA_RESET | HACR_RX_DMA_RESET)
117#define HACR_DEFAULT (HACR_PWR_STAT)
118
119/* Host Adapter Status Register bit definitions */
120
121#define HASR_MMI_BUSY (1 << 2) /* MMI is busy when true */
122#define HASR_LOF (1 << 3) /* Lock out flag status */
123#define HASR_NO_CLK (1 << 4) /* active when modem not connected */
124
125/* Miscellaneous bit definitions */
126
127#define PIORH_SEL_TX (1 << 5) /* PIOR points to 0=rx/1=tx buffer */
128#define MMR_MMI_WR (1 << 0) /* Next MMI cycle is 0=read, 1=write */
129#define PIORH_MASK 0x1f /* only low 5 bits are significant */
130#define RPLH_MASK 0x1f /* only low 5 bits are significant */
131#define MMI_ADDR_MASK 0x7e /* Bits 1-6 of MMR are significant */
132
133/* Attribute Memory map */
134
135#define CIS_ADDR 0x0000 /* Card Information Status Register */
136#define PSA_ADDR 0x0e00 /* Parameter Storage Area address */
137#define EEPROM_ADDR 0x1000 /* EEPROM address (unused ?) */
138#define COR_ADDR 0x4000 /* Configuration Option Register */
139
140/* Configuration Option Register bit definitions */
141
142#define COR_CONFIG (1 << 0) /* Config Index, 0 when unconfigured */
143#define COR_SW_RESET (1 << 7) /* Software Reset on true */
144#define COR_LEVEL_IRQ (1 << 6) /* Level IRQ */
145
146/* Local Memory map */
147
148#define RX_BASE 0x0000 /* Receive memory, 8 kB */
149#define TX_BASE 0x2000 /* Transmit memory, 2 kB */
150#define UNUSED_BASE 0x2800 /* Unused, 22 kB */
151#define RX_SIZE (TX_BASE-RX_BASE) /* Size of receive area */
152#define RX_SIZE_SHIFT 6 /* Bits to shift in stop register */
153
154#define TRUE 1
155#define FALSE 0
156
157#define MOD_ENAL 1
158#define MOD_PROM 2
159
160/* Size of a MAC address */
161#define WAVELAN_ADDR_SIZE 6
162
163/* Maximum size of Wavelan packet */
164#define WAVELAN_MTU 1500
165
166#define MAXDATAZ (6 + 6 + 2 + WAVELAN_MTU)
167
168/********************** PARAMETER STORAGE AREA **********************/
169
170/*
171 * Parameter Storage Area (PSA).
172 */
173typedef struct psa_t psa_t;
174struct psa_t
175{
176 /* For the PCMCIA Adapter, locations 0x00-0x0F are unused and fixed at 00 */
177 unsigned char psa_io_base_addr_1; /* [0x00] Base address 1 ??? */
178 unsigned char psa_io_base_addr_2; /* [0x01] Base address 2 */
179 unsigned char psa_io_base_addr_3; /* [0x02] Base address 3 */
180 unsigned char psa_io_base_addr_4; /* [0x03] Base address 4 */
181 unsigned char psa_rem_boot_addr_1; /* [0x04] Remote Boot Address 1 */
182 unsigned char psa_rem_boot_addr_2; /* [0x05] Remote Boot Address 2 */
183 unsigned char psa_rem_boot_addr_3; /* [0x06] Remote Boot Address 3 */
184 unsigned char psa_holi_params; /* [0x07] HOst Lan Interface (HOLI) Parameters */
185 unsigned char psa_int_req_no; /* [0x08] Interrupt Request Line */
186 unsigned char psa_unused0[7]; /* [0x09-0x0F] unused */
187
188 unsigned char psa_univ_mac_addr[WAVELAN_ADDR_SIZE]; /* [0x10-0x15] Universal (factory) MAC Address */
189 unsigned char psa_local_mac_addr[WAVELAN_ADDR_SIZE]; /* [0x16-1B] Local MAC Address */
190 unsigned char psa_univ_local_sel; /* [0x1C] Universal Local Selection */
191#define PSA_UNIVERSAL 0 /* Universal (factory) */
192#define PSA_LOCAL 1 /* Local */
193 unsigned char psa_comp_number; /* [0x1D] Compatability Number: */
194#define PSA_COMP_PC_AT_915 0 /* PC-AT 915 MHz */
195#define PSA_COMP_PC_MC_915 1 /* PC-MC 915 MHz */
196#define PSA_COMP_PC_AT_2400 2 /* PC-AT 2.4 GHz */
197#define PSA_COMP_PC_MC_2400 3 /* PC-MC 2.4 GHz */
198#define PSA_COMP_PCMCIA_915 4 /* PCMCIA 915 MHz or 2.0 */
199 unsigned char psa_thr_pre_set; /* [0x1E] Modem Threshold Preset */
200 unsigned char psa_feature_select; /* [0x1F] Call code required (1=on) */
201#define PSA_FEATURE_CALL_CODE 0x01 /* Call code required (Japan) */
202 unsigned char psa_subband; /* [0x20] Subband */
203#define PSA_SUBBAND_915 0 /* 915 MHz or 2.0 */
204#define PSA_SUBBAND_2425 1 /* 2425 MHz */
205#define PSA_SUBBAND_2460 2 /* 2460 MHz */
206#define PSA_SUBBAND_2484 3 /* 2484 MHz */
207#define PSA_SUBBAND_2430_5 4 /* 2430.5 MHz */
208 unsigned char psa_quality_thr; /* [0x21] Modem Quality Threshold */
209 unsigned char psa_mod_delay; /* [0x22] Modem Delay ??? (reserved) */
210 unsigned char psa_nwid[2]; /* [0x23-0x24] Network ID */
211 unsigned char psa_nwid_select; /* [0x25] Network ID Select On Off */
212 unsigned char psa_encryption_select; /* [0x26] Encryption On Off */
213 unsigned char psa_encryption_key[8]; /* [0x27-0x2E] Encryption Key */
214 unsigned char psa_databus_width; /* [0x2F] AT bus width select 8/16 */
215 unsigned char psa_call_code[8]; /* [0x30-0x37] (Japan) Call Code */
216 unsigned char psa_nwid_prefix[2]; /* [0x38-0x39] Roaming domain */
217 unsigned char psa_reserved[2]; /* [0x3A-0x3B] Reserved - fixed 00 */
218 unsigned char psa_conf_status; /* [0x3C] Conf Status, bit 0=1:config*/
219 unsigned char psa_crc[2]; /* [0x3D] CRC-16 over PSA */
220 unsigned char psa_crc_status; /* [0x3F] CRC Valid Flag */
221};
222
223/* Size for structure checking (if padding is correct) */
224#define PSA_SIZE 64
225
226/* Calculate offset of a field in the above structure
227 * Warning : only even addresses are used */
228#define psaoff(p,f) ((unsigned short) ((void *)(&((psa_t *) ((void *) NULL + (p)))->f) - (void *) NULL))
229
230/******************** MODEM MANAGEMENT INTERFACE ********************/
231
232/*
233 * Modem Management Controller (MMC) write structure.
234 */
235typedef struct mmw_t mmw_t;
236struct mmw_t
237{
238 unsigned char mmw_encr_key[8]; /* encryption key */
239 unsigned char mmw_encr_enable; /* enable/disable encryption */
240#define MMW_ENCR_ENABLE_MODE 0x02 /* Mode of security option */
241#define MMW_ENCR_ENABLE_EN 0x01 /* Enable security option */
242 unsigned char mmw_unused0[1]; /* unused */
243 unsigned char mmw_des_io_invert; /* Encryption option */
244#define MMW_DES_IO_INVERT_RES 0x0F /* Reserved */
245#define MMW_DES_IO_INVERT_CTRL 0xF0 /* Control ??? (set to 0) */
246 unsigned char mmw_unused1[5]; /* unused */
247 unsigned char mmw_loopt_sel; /* looptest selection */
248#define MMW_LOOPT_SEL_DIS_NWID 0x40 /* disable NWID filtering */
249#define MMW_LOOPT_SEL_INT 0x20 /* activate Attention Request */
250#define MMW_LOOPT_SEL_LS 0x10 /* looptest w/o collision avoidance */
251#define MMW_LOOPT_SEL_LT3A 0x08 /* looptest 3a */
252#define MMW_LOOPT_SEL_LT3B 0x04 /* looptest 3b */
253#define MMW_LOOPT_SEL_LT3C 0x02 /* looptest 3c */
254#define MMW_LOOPT_SEL_LT3D 0x01 /* looptest 3d */
255 unsigned char mmw_jabber_enable; /* jabber timer enable */
256 /* Abort transmissions > 200 ms */
257 unsigned char mmw_freeze; /* freeze / unfreeeze signal level */
258 /* 0 : signal level & qual updated for every new message, 1 : frozen */
259 unsigned char mmw_anten_sel; /* antenna selection */
260#define MMW_ANTEN_SEL_SEL 0x01 /* direct antenna selection */
261#define MMW_ANTEN_SEL_ALG_EN 0x02 /* antenna selection algo. enable */
262 unsigned char mmw_ifs; /* inter frame spacing */
263 /* min time between transmission in bit periods (.5 us) - bit 0 ignored */
264 unsigned char mmw_mod_delay; /* modem delay (synchro) */
265 unsigned char mmw_jam_time; /* jamming time (after collision) */
266 unsigned char mmw_unused2[1]; /* unused */
267 unsigned char mmw_thr_pre_set; /* level threshold preset */
268 /* Discard all packet with signal < this value (4) */
269 unsigned char mmw_decay_prm; /* decay parameters */
270 unsigned char mmw_decay_updat_prm; /* decay update parameterz */
271 unsigned char mmw_quality_thr; /* quality (z-quotient) threshold */
272 /* Discard all packet with quality < this value (3) */
273 unsigned char mmw_netw_id_l; /* NWID low order byte */
274 unsigned char mmw_netw_id_h; /* NWID high order byte */
275 /* Network ID or Domain : create virtual net on the air */
276
277 /* 2.0 Hardware extension - frequency selection support */
278 unsigned char mmw_mode_select; /* for analog tests (set to 0) */
279 unsigned char mmw_unused3[1]; /* unused */
280 unsigned char mmw_fee_ctrl; /* frequency eeprom control */
281#define MMW_FEE_CTRL_PRE 0x10 /* Enable protected instructions */
282#define MMW_FEE_CTRL_DWLD 0x08 /* Download eeprom to mmc */
283#define MMW_FEE_CTRL_CMD 0x07 /* EEprom commands : */
284#define MMW_FEE_CTRL_READ 0x06 /* Read */
285#define MMW_FEE_CTRL_WREN 0x04 /* Write enable */
286#define MMW_FEE_CTRL_WRITE 0x05 /* Write data to address */
287#define MMW_FEE_CTRL_WRALL 0x04 /* Write data to all addresses */
288#define MMW_FEE_CTRL_WDS 0x04 /* Write disable */
289#define MMW_FEE_CTRL_PRREAD 0x16 /* Read addr from protect register */
290#define MMW_FEE_CTRL_PREN 0x14 /* Protect register enable */
291#define MMW_FEE_CTRL_PRCLEAR 0x17 /* Unprotect all registers */
292#define MMW_FEE_CTRL_PRWRITE 0x15 /* Write addr in protect register */
293#define MMW_FEE_CTRL_PRDS 0x14 /* Protect register disable */
294 /* Never issue this command (PRDS) : it's irreversible !!! */
295
296 unsigned char mmw_fee_addr; /* EEprom address */
297#define MMW_FEE_ADDR_CHANNEL 0xF0 /* Select the channel */
298#define MMW_FEE_ADDR_OFFSET 0x0F /* Offset in channel data */
299#define MMW_FEE_ADDR_EN 0xC0 /* FEE_CTRL enable operations */
300#define MMW_FEE_ADDR_DS 0x00 /* FEE_CTRL disable operations */
301#define MMW_FEE_ADDR_ALL 0x40 /* FEE_CTRL all operations */
302#define MMW_FEE_ADDR_CLEAR 0xFF /* FEE_CTRL clear operations */
303
304 unsigned char mmw_fee_data_l; /* Write data to EEprom */
305 unsigned char mmw_fee_data_h; /* high octet */
306 unsigned char mmw_ext_ant; /* Setting for external antenna */
307#define MMW_EXT_ANT_EXTANT 0x01 /* Select external antenna */
308#define MMW_EXT_ANT_POL 0x02 /* Polarity of the antenna */
309#define MMW_EXT_ANT_INTERNAL 0x00 /* Internal antenna */
310#define MMW_EXT_ANT_EXTERNAL 0x03 /* External antenna */
311#define MMW_EXT_ANT_IQ_TEST 0x1C /* IQ test pattern (set to 0) */
312} __attribute__((packed));
313
314/* Size for structure checking (if padding is correct) */
315#define MMW_SIZE 37
316
317/* Calculate offset of a field in the above structure */
318#define mmwoff(p,f) (unsigned short)((void *)(&((mmw_t *)((void *)0 + (p)))->f) - (void *)0)
319
320
321/*
322 * Modem Management Controller (MMC) read structure.
323 */
324typedef struct mmr_t mmr_t;
325struct mmr_t
326{
327 unsigned char mmr_unused0[8]; /* unused */
328 unsigned char mmr_des_status; /* encryption status */
329 unsigned char mmr_des_avail; /* encryption available (0x55 read) */
330#define MMR_DES_AVAIL_DES 0x55 /* DES available */
331#define MMR_DES_AVAIL_AES 0x33 /* AES (AT&T) available */
332 unsigned char mmr_des_io_invert; /* des I/O invert register */
333 unsigned char mmr_unused1[5]; /* unused */
334 unsigned char mmr_dce_status; /* DCE status */
335#define MMR_DCE_STATUS_RX_BUSY 0x01 /* receiver busy */
336#define MMR_DCE_STATUS_LOOPT_IND 0x02 /* loop test indicated */
337#define MMR_DCE_STATUS_TX_BUSY 0x04 /* transmitter on */
338#define MMR_DCE_STATUS_JBR_EXPIRED 0x08 /* jabber timer expired */
339#define MMR_DCE_STATUS 0x0F /* mask to get the bits */
340 unsigned char mmr_dsp_id; /* DSP id (AA = Daedalus rev A) */
341 unsigned char mmr_unused2[2]; /* unused */
342 unsigned char mmr_correct_nwid_l; /* # of correct NWID's rxd (low) */
343 unsigned char mmr_correct_nwid_h; /* # of correct NWID's rxd (high) */
344 /* Warning : Read high order octet first !!! */
345 unsigned char mmr_wrong_nwid_l; /* # of wrong NWID's rxd (low) */
346 unsigned char mmr_wrong_nwid_h; /* # of wrong NWID's rxd (high) */
347 unsigned char mmr_thr_pre_set; /* level threshold preset */
348#define MMR_THR_PRE_SET 0x3F /* level threshold preset */
349#define MMR_THR_PRE_SET_CUR 0x80 /* Current signal above it */
350 unsigned char mmr_signal_lvl; /* signal level */
351#define MMR_SIGNAL_LVL 0x3F /* signal level */
352#define MMR_SIGNAL_LVL_VALID 0x80 /* Updated since last read */
353 unsigned char mmr_silence_lvl; /* silence level (noise) */
354#define MMR_SILENCE_LVL 0x3F /* silence level */
355#define MMR_SILENCE_LVL_VALID 0x80 /* Updated since last read */
356 unsigned char mmr_sgnl_qual; /* signal quality */
357#define MMR_SGNL_QUAL 0x0F /* signal quality */
358#define MMR_SGNL_QUAL_ANT 0x80 /* current antenna used */
359 unsigned char mmr_netw_id_l; /* NWID low order byte ??? */
360 unsigned char mmr_unused3[3]; /* unused */
361
362 /* 2.0 Hardware extension - frequency selection support */
363 unsigned char mmr_fee_status; /* Status of frequency eeprom */
364#define MMR_FEE_STATUS_ID 0xF0 /* Modem revision id */
365#define MMR_FEE_STATUS_DWLD 0x08 /* Download in progress */
366#define MMR_FEE_STATUS_BUSY 0x04 /* EEprom busy */
367 unsigned char mmr_unused4[1]; /* unused */
368 unsigned char mmr_fee_data_l; /* Read data from eeprom (low) */
369 unsigned char mmr_fee_data_h; /* Read data from eeprom (high) */
370};
371
372/* Size for structure checking (if padding is correct) */
373#define MMR_SIZE 36
374
375/* Calculate offset of a field in the above structure */
376#define mmroff(p,f) (unsigned short)((void *)(&((mmr_t *)((void *)0 + (p)))->f) - (void *)0)
377
378
379/* Make the two above structures one */
380typedef union mm_t
381{
382 struct mmw_t w; /* Write to the mmc */
383 struct mmr_t r; /* Read from the mmc */
384} mm_t;
385
386#endif /* _WAVELAN_CS_H */
diff --git a/drivers/net/wireless/wavelan_cs.p.h b/drivers/net/wireless/wavelan_cs.p.h
deleted file mode 100644
index 81d91531c4f9..000000000000
--- a/drivers/net/wireless/wavelan_cs.p.h
+++ /dev/null
@@ -1,766 +0,0 @@
1/*
2 * Wavelan Pcmcia driver
3 *
4 * Jean II - HPLB '96
5 *
6 * Reorganisation and extension of the driver.
7 *
8 * This file contain all definition and declarations necessary for the
9 * wavelan pcmcia driver. This file is a private header, so it should
10 * be included only on wavelan_cs.c !!!
11 */
12
13#ifndef WAVELAN_CS_P_H
14#define WAVELAN_CS_P_H
15
16/************************** DOCUMENTATION **************************/
17/*
18 * This driver provide a Linux interface to the Wavelan Pcmcia hardware
19 * The Wavelan is a product of Lucent (http://www.wavelan.com/).
20 * This division was formerly part of NCR and then AT&T.
21 * Wavelan are also distributed by DEC (RoamAbout DS)...
22 *
23 * To know how to use this driver, read the PCMCIA HOWTO.
24 * If you want to exploit the many other fonctionalities, look comments
25 * in the code...
26 *
27 * This driver is the result of the effort of many peoples (see below).
28 */
29
30/* ------------------------ SPECIFIC NOTES ------------------------ */
31/*
32 * Web page
33 * --------
34 * I try to maintain a web page with the Wireless LAN Howto at :
35 * http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Wavelan.html
36 *
37 * SMP
38 * ---
39 * We now are SMP compliant (I eventually fixed the remaining bugs).
40 * The driver has been tested on a dual P6-150 and survived my usual
41 * set of torture tests.
42 * Anyway, I spent enough time chasing interrupt re-entrancy during
43 * errors or reconfigure, and I designed the locked/unlocked sections
44 * of the driver with great care, and with the recent addition of
45 * the spinlock (thanks to the new API), we should be quite close to
46 * the truth.
47 * The SMP/IRQ locking is quite coarse and conservative (i.e. not fast),
48 * but better safe than sorry (especially at 2 Mb/s ;-).
49 *
50 * I have also looked into disabling only our interrupt on the card
51 * (via HACR) instead of all interrupts in the processor (via cli),
52 * so that other driver are not impacted, and it look like it's
53 * possible, but it's very tricky to do right (full of races). As
54 * the gain would be mostly for SMP systems, it can wait...
55 *
56 * Debugging and options
57 * ---------------------
58 * You will find below a set of '#define" allowing a very fine control
59 * on the driver behaviour and the debug messages printed.
60 * The main options are :
61 * o WAVELAN_ROAMING, for the experimental roaming support.
62 * o SET_PSA_CRC, to have your card correctly recognised by
63 * an access point and the Point-to-Point diagnostic tool.
64 * o USE_PSA_CONFIG, to read configuration from the PSA (EEprom)
65 * (otherwise we always start afresh with some defaults)
66 *
67 * wavelan_cs.o is darn too big
68 * -------------------------
69 * That's true ! There is a very simple way to reduce the driver
70 * object by 33% (yes !). Comment out the following line :
71 * #include <linux/wireless.h>
72 * Other compile options can also reduce the size of it...
73 *
74 * MAC address and hardware detection :
75 * ----------------------------------
76 * The detection code of the wavelan chech that the first 3
77 * octets of the MAC address fit the company code. This type of
78 * detection work well for AT&T cards (because the AT&T code is
79 * hardcoded in wavelan_cs.h), but of course will fail for other
80 * manufacturer.
81 *
82 * If you are sure that your card is derived from the wavelan,
83 * here is the way to configure it :
84 * 1) Get your MAC address
85 * a) With your card utilities (wfreqsel, instconf, ...)
86 * b) With the driver :
87 * o compile the kernel with DEBUG_CONFIG_INFO enabled
88 * o Boot and look the card messages
89 * 2) Set your MAC code (3 octets) in MAC_ADDRESSES[][3] (wavelan_cs.h)
90 * 3) Compile & verify
91 * 4) Send me the MAC code - I will include it in the next version...
92 *
93 */
94
95/* --------------------- WIRELESS EXTENSIONS --------------------- */
96/*
97 * This driver is the first one to support "wireless extensions".
98 * This set of extensions provide you some way to control the wireless
99 * caracteristics of the hardware in a standard way and support for
100 * applications for taking advantage of it (like Mobile IP).
101 *
102 * It might be a good idea as well to fetch the wireless tools to
103 * configure the device and play a bit.
104 */
105
106/* ---------------------------- FILES ---------------------------- */
107/*
108 * wavelan_cs.c : The actual code for the driver - C functions
109 *
110 * wavelan_cs.p.h : Private header : local types / vars for the driver
111 *
112 * wavelan_cs.h : Description of the hardware interface & structs
113 *
114 * i82593.h : Description if the Ethernet controller
115 */
116
117/* --------------------------- HISTORY --------------------------- */
118/*
119 * The history of the Wavelan drivers is as complicated as history of
120 * the Wavelan itself (NCR -> AT&T -> Lucent).
121 *
122 * All started with Anders Klemets <klemets@paul.rutgers.edu>,
123 * writing a Wavelan ISA driver for the MACH microkernel. Girish
124 * Welling <welling@paul.rutgers.edu> had also worked on it.
125 * Keith Moore modify this for the Pcmcia hardware.
126 *
127 * Robert Morris <rtm@das.harvard.edu> port these two drivers to BSDI
128 * and add specific Pcmcia support (there is currently no equivalent
129 * of the PCMCIA package under BSD...).
130 *
131 * Jim Binkley <jrb@cs.pdx.edu> port both BSDI drivers to FreeBSD.
132 *
133 * Bruce Janson <bruce@cs.usyd.edu.au> port the BSDI ISA driver to Linux.
134 *
135 * Anthony D. Joseph <adj@lcs.mit.edu> started modify Bruce driver
136 * (with help of the BSDI PCMCIA driver) for PCMCIA.
137 * Yunzhou Li <yunzhou@strat.iol.unh.edu> finished is work.
138 * Joe Finney <joe@comp.lancs.ac.uk> patched the driver to start
139 * correctly 2.00 cards (2.4 GHz with frequency selection).
140 * David Hinds <dahinds@users.sourceforge.net> integrated the whole in his
141 * Pcmcia package (+ bug corrections).
142 *
143 * I (Jean Tourrilhes - jt@hplb.hpl.hp.com) then started to make some
144 * patchs to the Pcmcia driver. After, I added code in the ISA driver
145 * for Wireless Extensions and full support of frequency selection
146 * cards. Now, I'm doing the same to the Pcmcia driver + some
147 * reorganisation.
148 * Loeke Brederveld <lbrederv@wavelan.com> from Lucent has given me
149 * much needed informations on the Wavelan hardware.
150 */
151
152/* By the way : for the copyright & legal stuff :
153 * Almost everybody wrote code under GNU or BSD license (or alike),
154 * and want that their original copyright remain somewhere in the
155 * code (for myself, I go with the GPL).
156 * Nobody want to take responsibility for anything, except the fame...
157 */
158
159/* --------------------------- CREDITS --------------------------- */
160/*
161 * Credits:
162 * Special thanks to Jan Hoogendoorn of AT&T GIS Utrecht and
163 * Loeke Brederveld of Lucent for providing extremely useful
164 * information about WaveLAN PCMCIA hardware
165 *
166 * This driver is based upon several other drivers, in particular:
167 * David Hinds' Linux driver for the PCMCIA 3c589 ethernet adapter
168 * Bruce Janson's Linux driver for the AT-bus WaveLAN adapter
169 * Anders Klemets' PCMCIA WaveLAN adapter driver
170 * Robert Morris' BSDI driver for the PCMCIA WaveLAN adapter
171 *
172 * Additional Credits:
173 *
174 * This software was originally developed under Linux 1.2.3
175 * (Slackware 2.0 distribution).
176 * And then under Linux 2.0.x (Debian 1.1 -> 2.2 - pcmcia 2.8.18+)
177 * with an HP OmniBook 4000 and then a 5500.
178 *
179 * It is based on other device drivers and information either written
180 * or supplied by:
181 * James Ashton (jaa101@syseng.anu.edu.au),
182 * Ajay Bakre (bakre@paul.rutgers.edu),
183 * Donald Becker (becker@super.org),
184 * Jim Binkley <jrb@cs.pdx.edu>,
185 * Loeke Brederveld <lbrederv@wavelan.com>,
186 * Allan Creighton (allanc@cs.su.oz.au),
187 * Brent Elphick <belphick@uwaterloo.ca>,
188 * Joe Finney <joe@comp.lancs.ac.uk>,
189 * Matthew Geier (matthew@cs.su.oz.au),
190 * Remo di Giovanni (remo@cs.su.oz.au),
191 * Mark Hagan (mhagan@wtcpost.daytonoh.NCR.COM),
192 * David Hinds <dahinds@users.sourceforge.net>,
193 * Jan Hoogendoorn (c/o marteijn@lucent.com),
194 * Bruce Janson <bruce@cs.usyd.edu.au>,
195 * Anthony D. Joseph <adj@lcs.mit.edu>,
196 * Anders Klemets (klemets@paul.rutgers.edu),
197 * Yunzhou Li <yunzhou@strat.iol.unh.edu>,
198 * Marc Meertens (mmeertens@lucent.com),
199 * Keith Moore,
200 * Robert Morris (rtm@das.harvard.edu),
201 * Ian Parkin (ian@cs.su.oz.au),
202 * John Rosenberg (johnr@cs.su.oz.au),
203 * George Rossi (george@phm.gov.au),
204 * Arthur Scott (arthur@cs.su.oz.au),
205 * Stanislav Sinyagin <stas@isf.ru>
206 * Peter Storey,
207 * Jean Tourrilhes <jt@hpl.hp.com>,
208 * Girish Welling (welling@paul.rutgers.edu)
209 * Clark Woodworth <clark@hiway1.exit109.com>
210 * Yongguang Zhang <ygz@isl.hrl.hac.com>...
211 */
212
213/* ------------------------- IMPROVEMENTS ------------------------- */
214/*
215 * I proudly present :
216 *
217 * Changes made in 2.8.22 :
218 * ----------------------
219 * - improved wv_set_multicast_list
220 * - catch spurious interrupt
221 * - correct release of the device
222 *
223 * Changes mades in release :
224 * ------------------------
225 * - Reorganisation of the code, function name change
226 * - Creation of private header (wavelan_cs.h)
227 * - Reorganised debug messages
228 * - More comments, history, ...
229 * - Configure earlier (in "insert" instead of "open")
230 * and do things only once
231 * - mmc_init : configure the PSA if not done
232 * - mmc_init : 2.00 detection better code for 2.00 init
233 * - better info at startup
234 * - Correct a HUGE bug (volatile & uncalibrated busy loop)
235 * in wv_82593_cmd => config speedup
236 * - Stop receiving & power down on close (and power up on open)
237 * use "ifconfig down" & "ifconfig up ; route add -net ..."
238 * - Send packets : add watchdog instead of pooling
239 * - Receive : check frame wrap around & try to recover some frames
240 * - wavelan_set_multicast_list : avoid reset
241 * - add wireless extensions (ioctl & get_wireless_stats)
242 * get/set nwid/frequency on fly, info for /proc/net/wireless
243 * - Suppress useless stuff from lp (net_local), but add link
244 * - More inlines
245 * - Lot of others minor details & cleanups
246 *
247 * Changes made in second release :
248 * ------------------------------
249 * - Optimise wv_85893_reconfig stuff, fix potential problems
250 * - Change error values for ioctl
251 * - Non blocking wv_ru_stop() + call wv_reset() in case of problems
252 * - Remove development printk from wavelan_watchdog()
253 * - Remove of the watchdog to wavelan_close instead of wavelan_release
254 * fix potential problems...
255 * - Start debugging suspend stuff (but it's still a bit weird)
256 * - Debug & optimize dump header/packet in Rx & Tx (debug)
257 * - Use "readb" and "writeb" to be kernel 2.1 compliant
258 * - Better handling of bogus interrupts
259 * - Wireless extension : SETSPY and GETSPY
260 * - Remove old stuff (stats - for those needing it, just ask me...)
261 * - Make wireless extensions optional
262 *
263 * Changes made in third release :
264 * -----------------------------
265 * - cleanups & typos
266 * - modif wireless ext (spy -> only one pointer)
267 * - new private ioctl to set/get quality & level threshold
268 * - Init : correct default value of level threshold for pcmcia
269 * - kill watchdog in hw_reset
270 * - more 2.1 support (copy_to/from_user instead of memcpy_to/fromfs)
271 * - Add message level (debug stuff in /var/adm/debug & errors not
272 * displayed at console and still in /var/adm/messages)
273 *
274 * Changes made in fourth release :
275 * ------------------------------
276 * - multicast support (yes !) thanks to Yongguang Zhang.
277 *
278 * Changes made in fifth release (2.9.0) :
279 * -------------------------------------
280 * - Revisited multicast code (it was mostly wrong).
281 * - protect code in wv_82593_reconfig with dev->tbusy (oups !)
282 *
283 * Changes made in sixth release (2.9.1a) :
284 * --------------------------------------
285 * - Change the detection code for multi manufacturer code support
286 * - Correct bug (hang kernel) in init when we were "rejecting" a card
287 *
288 * Changes made in seventh release (2.9.1b) :
289 * ----------------------------------------
290 * - Update to wireless extensions changes
291 * - Silly bug in card initial configuration (psa_conf_status)
292 *
293 * Changes made in eigth release :
294 * -----------------------------
295 * - Small bug in debug code (probably not the last one...)
296 * - 1.2.13 support (thanks to Clark Woodworth)
297 *
298 * Changes made for release in 2.9.2b :
299 * ----------------------------------
300 * - Level threshold is now a standard wireless extension (version 4 !)
301 * - modules parameters types for kernel > 2.1.17
302 * - updated man page
303 * - Others cleanup from David Hinds
304 *
305 * Changes made for release in 2.9.5 :
306 * ---------------------------------
307 * - byte count stats (courtesy of David Hinds)
308 * - Remove dev_tint stuff (courtesy of David Hinds)
309 * - Others cleanup from David Hinds
310 * - Encryption setting from Brent Elphick (thanks a lot !)
311 * - 'base' to 'u_long' for the Alpha (thanks to Stanislav Sinyagin)
312 *
313 * Changes made for release in 2.9.6 :
314 * ---------------------------------
315 * - fix bug : no longuer disable watchdog in case of bogus interrupt
316 * - increase timeout in config code for picky hardware
317 * - mask unused bits in status (Wireless Extensions)
318 *
319 * Changes integrated by Justin Seger <jseger@MIT.EDU> & David Hinds :
320 * -----------------------------------------------------------------
321 * - Roaming "hack" from Joe Finney <joe@comp.lancs.ac.uk>
322 * - PSA CRC code from Bob Gray <rgray@bald.cs.dartmouth.edu>
323 * - Better initialisation of the i82593 controller
324 * from Joseph K. O'Sullivan <josullvn+@cs.cmu.edu>
325 *
326 * Changes made for release in 3.0.10 :
327 * ----------------------------------
328 * - Fix eject "hang" of the driver under 2.2.X :
329 * o create wv_flush_stale_links()
330 * o Rename wavelan_release to wv_pcmcia_release & move up
331 * o move unregister_netdev to wavelan_detach()
332 * o wavelan_release() no longer call wavelan_detach()
333 * o Suppress "release" timer
334 * o Other cleanups & fixes
335 * - New MAC address in the probe
336 * - Reorg PSA_CRC code (endian neutral & cleaner)
337 * - Correct initialisation of the i82593 from Lucent manual
338 * - Put back the watchdog, with larger timeout
339 * - TRANSMIT_NO_CRC is a "normal" error, so recover from it
340 * from Derrick J Brashear <shadow@dementia.org>
341 * - Better handling of TX and RX normal failure conditions
342 * - #ifdef out all the roaming code
343 * - Add ESSID & "AP current address" ioctl stubs
344 * - General cleanup of the code
345 *
346 * Changes made for release in 3.0.13 :
347 * ----------------------------------
348 * - Re-enable compilation of roaming code by default, but with
349 * do_roaming = 0
350 * - Nuke `nwid=nwid^ntohs(beacon->domain_id)' in wl_roam_gather
351 * at the demand of John Carol Langford <jcl@gs176.sp.cs.cmu.edu>
352 * - Introduced WAVELAN_ROAMING_EXT for incomplete ESSID stuff.
353 *
354 * Changes made for release in 3.0.15 :
355 * ----------------------------------
356 * - Change e-mail and web page addresses
357 * - Watchdog timer is now correctly expressed in HZ, not in jiffies
358 * - Add channel number to the list of frequencies in range
359 * - Add the (short) list of bit-rates in range
360 * - Developp a new sensitivity... (sens.value & sens.fixed)
361 *
362 * Changes made for release in 3.1.2 :
363 * ---------------------------------
364 * - Fix check for root permission (break instead of exit)
365 * - New nwid & encoding setting (Wireless Extension 9)
366 *
367 * Changes made for release in 3.1.12 :
368 * ----------------------------------
369 * - reworked wv_82593_cmd to avoid using the IRQ handler and doing
370 * ugly things with interrupts.
371 * - Add IRQ protection in 82593_config/ru_start/ru_stop/watchdog
372 * - Update to new network API (softnet - 2.3.43) :
373 * o replace dev->tbusy (David + me)
374 * o replace dev->tstart (David + me)
375 * o remove dev->interrupt (David)
376 * o add SMP locking via spinlock in splxx (me)
377 * o add spinlock in interrupt handler (me)
378 * o use kernel watchdog instead of ours (me)
379 * o verify that all the changes make sense and work (me)
380 * - Re-sync kernel/pcmcia versions (not much actually)
381 * - A few other cleanups (David & me)...
382 *
383 * Changes made for release in 3.1.22 :
384 * ----------------------------------
385 * - Check that SMP works, remove annoying log message
386 *
387 * Changes made for release in 3.1.24 :
388 * ----------------------------------
389 * - Fix unfrequent card lockup when watchdog was reseting the hardware :
390 * o control first busy loop in wv_82593_cmd()
391 * o Extend spinlock protection in wv_hw_config()
392 *
393 * Changes made for release in 3.1.33 :
394 * ----------------------------------
395 * - Optional use new driver API for Wireless Extensions :
396 * o got rid of wavelan_ioctl()
397 * o use a bunch of iw_handler instead
398 *
399 * Changes made for release in 3.2.1 :
400 * ---------------------------------
401 * - Set dev->trans_start to avoid filling the logs
402 * (and generating useless abort commands)
403 * - Avoid deadlocks in mmc_out()/mmc_in()
404 *
405 * Wishes & dreams:
406 * ----------------
407 * - Cleanup and integrate the roaming code
408 * (std debug, set DomainID, decay avg and co...)
409 */
410
411/***************************** INCLUDES *****************************/
412
413/* Linux headers that we need */
414#include <linux/module.h>
415#include <linux/kernel.h>
416#include <linux/init.h>
417#include <linux/sched.h>
418#include <linux/ptrace.h>
419#include <linux/slab.h>
420#include <linux/string.h>
421#include <linux/timer.h>
422#include <linux/interrupt.h>
423#include <linux/spinlock.h>
424#include <linux/in.h>
425#include <linux/delay.h>
426#include <linux/bitops.h>
427#include <asm/uaccess.h>
428#include <asm/io.h>
429#include <asm/system.h>
430
431#include <linux/netdevice.h>
432#include <linux/etherdevice.h>
433#include <linux/skbuff.h>
434#include <linux/if_arp.h>
435#include <linux/ioport.h>
436#include <linux/fcntl.h>
437#include <linux/ethtool.h>
438#include <linux/wireless.h> /* Wireless extensions */
439#include <net/iw_handler.h> /* New driver API */
440
441/* Pcmcia headers that we need */
442#include <pcmcia/cs_types.h>
443#include <pcmcia/cs.h>
444#include <pcmcia/cistpl.h>
445#include <pcmcia/cisreg.h>
446#include <pcmcia/ds.h>
447
448/* Wavelan declarations */
449#include "i82593.h" /* Definitions for the Intel chip */
450
451#include "wavelan_cs.h" /* Others bits of the hardware */
452
453/************************** DRIVER OPTIONS **************************/
454/*
455 * `#define' or `#undef' the following constant to change the behaviour
456 * of the driver...
457 */
458#define WAVELAN_ROAMING /* Include experimental roaming code */
459#undef WAVELAN_ROAMING_EXT /* Enable roaming wireless extensions */
460#undef SET_PSA_CRC /* Set the CRC in PSA (slower) */
461#define USE_PSA_CONFIG /* Use info from the PSA */
462#undef EEPROM_IS_PROTECTED /* Doesn't seem to be necessary */
463#define MULTICAST_AVOID /* Avoid extra multicast (I'm sceptical) */
464#undef SET_MAC_ADDRESS /* Experimental */
465
466/* Warning : these stuff will slow down the driver... */
467#define WIRELESS_SPY /* Enable spying addresses */
468#undef HISTOGRAM /* Enable histogram of sig level... */
469
470/****************************** DEBUG ******************************/
471
472#undef DEBUG_MODULE_TRACE /* Module insertion/removal */
473#undef DEBUG_CALLBACK_TRACE /* Calls made by Linux */
474#undef DEBUG_INTERRUPT_TRACE /* Calls to handler */
475#undef DEBUG_INTERRUPT_INFO /* type of interrupt & so on */
476#define DEBUG_INTERRUPT_ERROR /* problems */
477#undef DEBUG_CONFIG_TRACE /* Trace the config functions */
478#undef DEBUG_CONFIG_INFO /* What's going on... */
479#define DEBUG_CONFIG_ERRORS /* Errors on configuration */
480#undef DEBUG_TX_TRACE /* Transmission calls */
481#undef DEBUG_TX_INFO /* Header of the transmitted packet */
482#undef DEBUG_TX_FAIL /* Normal failure conditions */
483#define DEBUG_TX_ERROR /* Unexpected conditions */
484#undef DEBUG_RX_TRACE /* Transmission calls */
485#undef DEBUG_RX_INFO /* Header of the transmitted packet */
486#undef DEBUG_RX_FAIL /* Normal failure conditions */
487#define DEBUG_RX_ERROR /* Unexpected conditions */
488#undef DEBUG_PACKET_DUMP /* Dump packet on the screen */
489#undef DEBUG_IOCTL_TRACE /* Misc call by Linux */
490#undef DEBUG_IOCTL_INFO /* Various debug info */
491#define DEBUG_IOCTL_ERROR /* What's going wrong */
492#define DEBUG_BASIC_SHOW /* Show basic startup info */
493#undef DEBUG_VERSION_SHOW /* Print version info */
494#undef DEBUG_PSA_SHOW /* Dump psa to screen */
495#undef DEBUG_MMC_SHOW /* Dump mmc to screen */
496#undef DEBUG_SHOW_UNUSED /* Show also unused fields */
497#undef DEBUG_I82593_SHOW /* Show i82593 status */
498#undef DEBUG_DEVICE_SHOW /* Show device parameters */
499
500/************************ CONSTANTS & MACROS ************************/
501
502#ifdef DEBUG_VERSION_SHOW
503static const char *version = "wavelan_cs.c : v24 (SMP + wireless extensions) 11/1/02\n";
504#endif
505
506/* Watchdog temporisation */
507#define WATCHDOG_JIFFIES (256*HZ/100)
508
509/* Fix a bug in some old wireless extension definitions */
510#ifndef IW_ESSID_MAX_SIZE
511#define IW_ESSID_MAX_SIZE 32
512#endif
513
514/* ------------------------ PRIVATE IOCTL ------------------------ */
515
516#define SIOCSIPQTHR SIOCIWFIRSTPRIV /* Set quality threshold */
517#define SIOCGIPQTHR SIOCIWFIRSTPRIV + 1 /* Get quality threshold */
518#define SIOCSIPROAM SIOCIWFIRSTPRIV + 2 /* Set roaming state */
519#define SIOCGIPROAM SIOCIWFIRSTPRIV + 3 /* Get roaming state */
520
521#define SIOCSIPHISTO SIOCIWFIRSTPRIV + 4 /* Set histogram ranges */
522#define SIOCGIPHISTO SIOCIWFIRSTPRIV + 5 /* Get histogram values */
523
524/*************************** WaveLAN Roaming **************************/
525#ifdef WAVELAN_ROAMING /* Conditional compile, see above in options */
526
527#define WAVELAN_ROAMING_DEBUG 0 /* 1 = Trace of handover decisions */
528 /* 2 = Info on each beacon rcvd... */
529#define MAX_WAVEPOINTS 7 /* Max visible at one time */
530#define WAVEPOINT_HISTORY 5 /* SNR sample history slow search */
531#define WAVEPOINT_FAST_HISTORY 2 /* SNR sample history fast search */
532#define SEARCH_THRESH_LOW 10 /* SNR to enter cell search */
533#define SEARCH_THRESH_HIGH 13 /* SNR to leave cell search */
534#define WAVELAN_ROAMING_DELTA 1 /* Hysteresis value (+/- SNR) */
535#define CELL_TIMEOUT 2*HZ /* in jiffies */
536
537#define FAST_CELL_SEARCH 1 /* Boolean values... */
538#define NWID_PROMISC 1 /* for code clarity. */
539
540typedef struct wavepoint_beacon
541{
542 unsigned char dsap, /* Unused */
543 ssap, /* Unused */
544 ctrl, /* Unused */
545 O,U,I, /* Unused */
546 spec_id1, /* Unused */
547 spec_id2, /* Unused */
548 pdu_type, /* Unused */
549 seq; /* WavePoint beacon sequence number */
550 __be16 domain_id, /* WavePoint Domain ID */
551 nwid; /* WavePoint NWID */
552} wavepoint_beacon;
553
554typedef struct wavepoint_history
555{
556 unsigned short nwid; /* WavePoint's NWID */
557 int average_slow; /* SNR running average */
558 int average_fast; /* SNR running average */
559 unsigned char sigqual[WAVEPOINT_HISTORY]; /* Ringbuffer of recent SNR's */
560 unsigned char qualptr; /* Index into ringbuffer */
561 unsigned char last_seq; /* Last seq. no seen for WavePoint */
562 struct wavepoint_history *next; /* Next WavePoint in table */
563 struct wavepoint_history *prev; /* Previous WavePoint in table */
564 unsigned long last_seen; /* Time of last beacon recvd, jiffies */
565} wavepoint_history;
566
567struct wavepoint_table
568{
569 wavepoint_history *head; /* Start of ringbuffer */
570 int num_wavepoints; /* No. of WavePoints visible */
571 unsigned char locked; /* Table lock */
572};
573
574#endif /* WAVELAN_ROAMING */
575
576/****************************** TYPES ******************************/
577
578/* Shortcuts */
579typedef struct iw_statistics iw_stats;
580typedef struct iw_quality iw_qual;
581typedef struct iw_freq iw_freq;
582typedef struct net_local net_local;
583typedef struct timer_list timer_list;
584
585/* Basic types */
586typedef u_char mac_addr[WAVELAN_ADDR_SIZE]; /* Hardware address */
587
588/*
589 * Static specific data for the interface.
590 *
591 * For each network interface, Linux keep data in two structure. "device"
592 * keep the generic data (same format for everybody) and "net_local" keep
593 * the additional specific data.
594 */
595struct net_local
596{
597 dev_node_t node; /* ???? What is this stuff ???? */
598 struct net_device * dev; /* Reverse link... */
599 spinlock_t spinlock; /* Serialize access to the hardware (SMP) */
600 struct pcmcia_device * link; /* pcmcia structure */
601 int nresets; /* Number of hw resets */
602 u_char configured; /* If it is configured */
603 u_char reconfig_82593; /* Need to reconfigure the controller */
604 u_char promiscuous; /* Promiscuous mode */
605 u_char allmulticast; /* All Multicast mode */
606 int mc_count; /* Number of multicast addresses */
607
608 int stop; /* Current i82593 Stop Hit Register */
609 int rfp; /* Last DMA machine receive pointer */
610 int overrunning; /* Receiver overrun flag */
611
612 iw_stats wstats; /* Wireless specific stats */
613
614 struct iw_spy_data spy_data;
615 struct iw_public_data wireless_data;
616
617#ifdef HISTOGRAM
618 int his_number; /* Number of intervals */
619 u_char his_range[16]; /* Boundaries of interval ]n-1; n] */
620 u_long his_sum[16]; /* Sum in interval */
621#endif /* HISTOGRAM */
622#ifdef WAVELAN_ROAMING
623 u_long domain_id; /* Domain ID we lock on for roaming */
624 int filter_domains; /* Check Domain ID of beacon found */
625 struct wavepoint_table wavepoint_table; /* Table of visible WavePoints*/
626 wavepoint_history * curr_point; /* Current wavepoint */
627 int cell_search; /* Searching for new cell? */
628 struct timer_list cell_timer; /* Garbage collection */
629#endif /* WAVELAN_ROAMING */
630 void __iomem *mem;
631};
632
633/* ----------------- MODEM MANAGEMENT SUBROUTINES ----------------- */
634static inline u_char /* data */
635 hasr_read(u_long); /* Read the host interface : base address */
636static void
637 hacr_write(u_long, /* Write to host interface : base address */
638 u_char), /* data */
639 hacr_write_slow(u_long,
640 u_char);
641static void
642 psa_read(struct net_device *, /* Read the Parameter Storage Area */
643 int, /* offset in PSA */
644 u_char *, /* buffer to fill */
645 int), /* size to read */
646 psa_write(struct net_device *, /* Write to the PSA */
647 int, /* Offset in psa */
648 u_char *, /* Buffer in memory */
649 int); /* Length of buffer */
650static void
651 mmc_out(u_long, /* Write 1 byte to the Modem Manag Control */
652 u_short,
653 u_char),
654 mmc_write(u_long, /* Write n bytes to the MMC */
655 u_char,
656 u_char *,
657 int);
658static u_char /* Read 1 byte from the MMC */
659 mmc_in(u_long,
660 u_short);
661static void
662 mmc_read(u_long, /* Read n bytes from the MMC */
663 u_char,
664 u_char *,
665 int),
666 fee_wait(u_long, /* Wait for frequency EEprom : base address */
667 int, /* Base delay to wait for */
668 int); /* Number of time to wait */
669static void
670 fee_read(u_long, /* Read the frequency EEprom : base address */
671 u_short, /* destination offset */
672 u_short *, /* data buffer */
673 int); /* number of registers */
674/* ---------------------- I82593 SUBROUTINES ----------------------- */
675static int
676 wv_82593_cmd(struct net_device *, /* synchronously send a command to i82593 */
677 char *,
678 int,
679 int);
680static inline int
681 wv_diag(struct net_device *); /* Diagnostique the i82593 */
682static int
683 read_ringbuf(struct net_device *, /* Read a receive buffer */
684 int,
685 char *,
686 int);
687static void
688 wv_82593_reconfig(struct net_device *); /* Reconfigure the controller */
689/* ------------------- DEBUG & INFO SUBROUTINES ------------------- */
690static void
691 wv_init_info(struct net_device *); /* display startup info */
692/* ------------------- IOCTL, STATS & RECONFIG ------------------- */
693static iw_stats *
694 wavelan_get_wireless_stats(struct net_device *);
695/* ----------------------- PACKET RECEPTION ----------------------- */
696static int
697 wv_start_of_frame(struct net_device *, /* Seek beggining of current frame */
698 int, /* end of frame */
699 int); /* start of buffer */
700static void
701 wv_packet_read(struct net_device *, /* Read a packet from a frame */
702 int,
703 int),
704 wv_packet_rcv(struct net_device *); /* Read all packets waiting */
705/* --------------------- PACKET TRANSMISSION --------------------- */
706static void
707 wv_packet_write(struct net_device *, /* Write a packet to the Tx buffer */
708 void *,
709 short);
710static netdev_tx_t
711 wavelan_packet_xmit(struct sk_buff *, /* Send a packet */
712 struct net_device *);
713/* -------------------- HARDWARE CONFIGURATION -------------------- */
714static int
715 wv_mmc_init(struct net_device *); /* Initialize the modem */
716static int
717 wv_ru_stop(struct net_device *), /* Stop the i82593 receiver unit */
718 wv_ru_start(struct net_device *); /* Start the i82593 receiver unit */
719static int
720 wv_82593_config(struct net_device *); /* Configure the i82593 */
721static int
722 wv_pcmcia_reset(struct net_device *); /* Reset the pcmcia interface */
723static int
724 wv_hw_config(struct net_device *); /* Reset & configure the whole hardware */
725static void
726 wv_hw_reset(struct net_device *); /* Same, + start receiver unit */
727static int
728 wv_pcmcia_config(struct pcmcia_device *); /* Configure the pcmcia interface */
729static void
730 wv_pcmcia_release(struct pcmcia_device *);/* Remove a device */
731/* ---------------------- INTERRUPT HANDLING ---------------------- */
732static irqreturn_t
733 wavelan_interrupt(int, /* Interrupt handler */
734 void *);
735static void
736 wavelan_watchdog(struct net_device *); /* Transmission watchdog */
737/* ------------------- CONFIGURATION CALLBACKS ------------------- */
738static int
739 wavelan_open(struct net_device *), /* Open the device */
740 wavelan_close(struct net_device *); /* Close the device */
741static void
742 wavelan_detach(struct pcmcia_device *p_dev); /* Destroy a removed device */
743
744/**************************** VARIABLES ****************************/
745
746/*
747 * Parameters that can be set with 'insmod'
748 * The exact syntax is 'insmod wavelan_cs.o <var>=<value>'
749 */
750
751/* Shared memory speed, in ns */
752static int mem_speed = 0;
753
754/* New module interface */
755module_param(mem_speed, int, 0);
756
757#ifdef WAVELAN_ROAMING /* Conditional compile, see above in options */
758/* Enable roaming mode ? No ! Please keep this to 0 */
759static int do_roaming = 0;
760module_param(do_roaming, bool, 0);
761#endif /* WAVELAN_ROAMING */
762
763MODULE_LICENSE("GPL");
764
765#endif /* WAVELAN_CS_P_H */
766
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